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Vulnerability Details :

CVE-2026-45160

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-10 Jun, 2026 | 00:26
Updated At-10 Jun, 2026 | 15:10
Rejected At-
Credits

ESF-IDF: Out-of-bounds Read in lwIP DHCP Server Option Parser

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.4, and 6.0.1, an out-of-bounds read flaw exists in the DHCP server option parser (parse_options() in components/lwip/apps/dhcpserver/dhcpserver.c) shipped with ESP-IDF's lwIP component. The parser walks the BOOTP/DHCP options field without validating that each option's length byte and declared payload length stay within the received packet buffer. A crafted DHCP request can cause the parser to read past the end of the options buffer into adjacent heap memory. The issue affects the DHCP server used by ESP-IDF's SoftAP and any configuration where the device runs as a DHCP server on a local network. This issue has been patched in versions 5.2.8, 5.3.6, 5.4.5, 5.5.5, and 6.0.2.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:10 Jun, 2026 | 00:26
Updated At:10 Jun, 2026 | 15:10
Rejected At:
â–¼CVE Numbering Authority (CNA)
ESF-IDF: Out-of-bounds Read in lwIP DHCP Server Option Parser

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.4, and 6.0.1, an out-of-bounds read flaw exists in the DHCP server option parser (parse_options() in components/lwip/apps/dhcpserver/dhcpserver.c) shipped with ESP-IDF's lwIP component. The parser walks the BOOTP/DHCP options field without validating that each option's length byte and declared payload length stay within the received packet buffer. A crafted DHCP request can cause the parser to read past the end of the options buffer into adjacent heap memory. The issue affects the DHCP server used by ESP-IDF's SoftAP and any configuration where the device runs as a DHCP server on a local network. This issue has been patched in versions 5.2.8, 5.3.6, 5.4.5, 5.5.5, and 6.0.2.

Affected Products
Vendor
espressif
Product
esp-idf
Versions
Affected
  • = 5.2.7
  • = 5.3.5
  • = 5.4.4
  • = 5.5.4
  • = 6.0.1
Problem Types
TypeCWE IDDescription
CWECWE-125CWE-125: Out-of-bounds Read
Type: CWE
CWE ID: CWE-125
Description: CWE-125: Out-of-bounds Read
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/espressif/esp-idf/security/advisories/GHSA-g764-gwc3-75m5
x_refsource_CONFIRM
https://github.com/espressif/esp-idf/commit/2bf4dd12002dbae60a4b21abff010ecb2b8ee82b
x_refsource_MISC
https://github.com/espressif/esp-idf/commit/2da2db43fd7e0bcff9e7b95f54f388296bb6f911
x_refsource_MISC
https://github.com/espressif/esp-idf/commit/8b4b5d5301815198d177974ffc24848f47748248
x_refsource_MISC
https://github.com/espressif/esp-idf/commit/9f713dbc94982d917f2d12964b233cd9efa4aeba
x_refsource_MISC
https://github.com/espressif/esp-idf/commit/d51b1076092487e533eadf8b48c9c8579d3a6712
x_refsource_MISC
https://github.com/espressif/esp-idf/commit/fba5f995436a3e3139f768b6d8f1a74d5ce1d318
x_refsource_MISC
Hyperlink: https://github.com/espressif/esp-idf/security/advisories/GHSA-g764-gwc3-75m5
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/espressif/esp-idf/commit/2bf4dd12002dbae60a4b21abff010ecb2b8ee82b
Resource:
x_refsource_MISC
Hyperlink: https://github.com/espressif/esp-idf/commit/2da2db43fd7e0bcff9e7b95f54f388296bb6f911
Resource:
x_refsource_MISC
Hyperlink: https://github.com/espressif/esp-idf/commit/8b4b5d5301815198d177974ffc24848f47748248
Resource:
x_refsource_MISC
Hyperlink: https://github.com/espressif/esp-idf/commit/9f713dbc94982d917f2d12964b233cd9efa4aeba
Resource:
x_refsource_MISC
Hyperlink: https://github.com/espressif/esp-idf/commit/d51b1076092487e533eadf8b48c9c8579d3a6712
Resource:
x_refsource_MISC
Hyperlink: https://github.com/espressif/esp-idf/commit/fba5f995436a3e3139f768b6d8f1a74d5ce1d318
Resource:
x_refsource_MISC
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:10 Jun, 2026 | 02:16
Updated At:11 Jun, 2026 | 18:22

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.4, and 6.0.1, an out-of-bounds read flaw exists in the DHCP server option parser (parse_options() in components/lwip/apps/dhcpserver/dhcpserver.c) shipped with ESP-IDF's lwIP component. The parser walks the BOOTP/DHCP options field without validating that each option's length byte and declared payload length stay within the received packet buffer. A crafted DHCP request can cause the parser to read past the end of the options buffer into adjacent heap memory. The issue affects the DHCP server used by ESP-IDF's SoftAP and any configuration where the device runs as a DHCP server on a local network. This issue has been patched in versions 5.2.8, 5.3.6, 5.4.5, 5.5.5, and 6.0.2.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.5MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
espressif
espressif
>>esp-idf>>5.2.7
cpe:2.3:a:espressif:esp-idf:5.2.7:*:*:*:*:*:*:*
espressif
espressif
>>esp-idf>>5.3.5
cpe:2.3:a:espressif:esp-idf:5.3.5:*:*:*:*:*:*:*
espressif
espressif
>>esp-idf>>5.4.4
cpe:2.3:a:espressif:esp-idf:5.4.4:*:*:*:*:*:*:*
espressif
espressif
>>esp-idf>>5.5.4
cpe:2.3:a:espressif:esp-idf:5.5.4:*:*:*:*:*:*:*
espressif
espressif
>>esp-idf>>6.0.1
cpe:2.3:a:espressif:esp-idf:6.0.1:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-125Primarysecurity-advisories@github.com
CWE ID: CWE-125
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/espressif/esp-idf/commit/2bf4dd12002dbae60a4b21abff010ecb2b8ee82bsecurity-advisories@github.com
Patch
https://github.com/espressif/esp-idf/commit/2da2db43fd7e0bcff9e7b95f54f388296bb6f911security-advisories@github.com
Patch
https://github.com/espressif/esp-idf/commit/8b4b5d5301815198d177974ffc24848f47748248security-advisories@github.com
Patch
https://github.com/espressif/esp-idf/commit/9f713dbc94982d917f2d12964b233cd9efa4aebasecurity-advisories@github.com
Patch
https://github.com/espressif/esp-idf/commit/d51b1076092487e533eadf8b48c9c8579d3a6712security-advisories@github.com
Patch
https://github.com/espressif/esp-idf/commit/fba5f995436a3e3139f768b6d8f1a74d5ce1d318security-advisories@github.com
Patch
https://github.com/espressif/esp-idf/security/advisories/GHSA-g764-gwc3-75m5security-advisories@github.com
Mitigation
Patch
Vendor Advisory
Hyperlink: https://github.com/espressif/esp-idf/commit/2bf4dd12002dbae60a4b21abff010ecb2b8ee82b
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/espressif/esp-idf/commit/2da2db43fd7e0bcff9e7b95f54f388296bb6f911
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/espressif/esp-idf/commit/8b4b5d5301815198d177974ffc24848f47748248
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/espressif/esp-idf/commit/9f713dbc94982d917f2d12964b233cd9efa4aeba
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/espressif/esp-idf/commit/d51b1076092487e533eadf8b48c9c8579d3a6712
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/espressif/esp-idf/commit/fba5f995436a3e3139f768b6d8f1a74d5ce1d318
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/espressif/esp-idf/security/advisories/GHSA-g764-gwc3-75m5
Source: security-advisories@github.com
Resource:
Mitigation
Patch
Vendor Advisory

Change History

0
Information is not available yet

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CVE-2025-47401
Matching Score-4
Assigner-Qualcomm, Inc.
ShareView Details
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Assigner-Qualcomm, Inc.
CVSS Score-6.5||MEDIUM
EPSS-0.22% / 11.97%
||
7 Day CHG~0.00%
Published-04 May, 2026 | 16:43
Updated-06 May, 2026 | 18:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Buffer Over-read in WLAN HAL

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Action-Not Available
Vendor-Qualcomm Technologies, Inc.
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CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-126
Buffer Over-read
CVE-2025-47402
Matching Score-4
Assigner-Qualcomm, Inc.
ShareView Details
Matching Score-4
Assigner-Qualcomm, Inc.
CVSS Score-6.5||MEDIUM
EPSS-0.15% / 4.55%
||
7 Day CHG~0.00%
Published-02 Feb, 2026 | 15:20
Updated-11 Feb, 2026 | 19:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Buffer Over-read in WLAN Firmware

Transient DOS when processing a received frame with an excessively large authentication information element.

Action-Not Available
Vendor-Qualcomm Technologies, Inc.
Product-sm7675snapdragon_x72_5g_modem-rf_firmwarewcd9378cqcn6224snapdragon_8_gen_3_mobilewsa8845x2000077_firmwaresm8750px2000094qcn9011_firmwaresm7675_firmwareqca6554a_firmwaresa8620psm8635_firmwaresa8255pqca6797aqqcs8550snapdragon_auto_5g_modem-rf_gen_2_firmwarefwa_gen_3_ultra_firmwareqca6554awcd9375wsa8832ssg2115psxr1230pfastconnect_7800qca8337_firmwaresa7775pssg2115p_firmwarex2000090sxr2250pwsa8830lemansau_firmwarewsa8835_firmwareqca6595wcd9385_firmwareqca6698aqqca6584au_firmwareqamsrv1hwcd9390qca6595auqcc2073_firmwarewcn7880x2000092_firmwaresm8635qcn9011xg101002_firmwareqcc2073wsa8845h_firmwareqcn9012_firmwareqca6574aqca8081srv1har8035_firmwaresm7675pcolognewsa8845hlemansaufastconnect_6900_firmwarewcd9340_firmwareqcc2076snapdragon_x72_5g_modem-rfcologne_firmwareqca6698aq_firmwaresa7255pfastconnect_6900wcd9340wcd9370_firmwaresa7255p_firmwareqca6698au_firmwareqca6584auqca6777aqxg101032snapdragon_auto_5g_modem-rf_gen_2wsa8832_firmwareqca6595au_firmwaresm7675p_firmwaresm8750p_firmwareqamsrv1m_firmwarewcd9390_firmwareqfw7124sar2130p_firmwaresm8650q_firmwareqam8255p_firmwarewcn7860_firmwareorne_firmwarewcn7860qamsrv1h_firmwarex2000092snapdragon_8_eliteqmp1000_firmwaresxr1230p_firmwareorneqca6688aqqmp1000snapdragon_x75_5g_modem-rf_firmwaresrv1mlemans_au_lgit_firmwarewcd9395qcn9012wcn7861qca6787aq_firmwarear8035qca6797aq_firmwarewsa8845_firmwaresa8770p_firmwaresa7775p_firmwarewsa8840_firmwareqfw7114qamsrv1msm8635pqca6678aq_firmwareqcn6224_firmwareqca6391_firmwareqca6696_firmwareqcc710sm8635p_firmwarewcd9378_firmwaresa9000pwcn7861_firmwaresnapdragon_x75_5g_modem-rfwcd9378c_firmwarewcd9385lemans_au_lgitsa8255p_firmwareqca6574wcn6755x2000086_firmwaressg2125pwcn7881_firmwaresrv1m_firmwareqca6777aq_firmwareqfw7114_firmwarepalawan25qca6698auqca6574a_firmwareqca6595_firmwarexg101039_firmwarewcn6755_firmwarewcd9370qca8337wcn7880_firmwarex2000077qca6574auwcn7881qcs8550_firmwaresnapdragon_8_gen_3_mobile_firmwaresar2130pqca8081_firmwaresxr2250p_firmwareqca6564au_firmwarex2000090_firmwareqca6787aqsa9000p_firmwarepalawan25_firmwareqcc710_firmwareqam8255pqca6391srv1h_firmwaresa8620p_firmwareqca6574au_firmwareqca6678aqwcd9380snapdragon_8_elite_firmwareqca6688aq_firmwaresm8650qwsa8835wcd9380_firmwarewcd9375_firmwarewsa8840fwa_gen_3_ultrawcd9378qcc2076_firmwareqcn6274_firmwarexg101032_firmwaresa8770pwsa8830_firmwareqcn6274qfw7124_firmwarexg101002xg101039wcd9395_firmwareqca6564aufastconnect_7800_firmwareqca6696x2000086x2000094_firmwaressg2125p_firmwareqca6574_firmwareSnapdragon
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-126
Buffer Over-read
CVE-2021-23168
Matching Score-4
Assigner-Intel Corporation
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Matching Score-4
Assigner-Intel Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.35% / 26.71%
||
7 Day CHG~0.00%
Published-18 Aug, 2022 | 00:00
Updated-05 May, 2025 | 17:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Action-Not Available
Vendor-n/aIntel Corporation
Product-wireless_7265_\(rev_d\)_firmwarewi-fi_6e_ax411_firmwarewireless-ac_9461wireless-ac_9560_firmwarewireless-ac_9260_firmwarewi-fi_6e_ax211_firmwaredual_band_wireless-ac_3168killer_wi-fi_6_ax1650dual_band_wireless-ac_3165_firmwarewi-fi_6_ax200_firmwarewi-fi_6_ax201_firmwareproset_wi-fi_6e_ax210dual_band_wireless-ac_8265killer_wi-fi_6_ax1650_firmwarewireless-ac_9462dual_band_wireless-ac_3165wireless-ac_9462_firmwarewireless_7265_\(rev_d\)wi-fi_6_ax200dual_band_wireless-ac_3168_firmwarekiller_wi-fi_6e_ax1690_firmwarewireless-ac_9260killer_ac_1550_firmwaredual_band_wireless-ac_8260_firmwarewi-fi_6e_ax411killer_wi-fi_6e_ax1675_firmwareproset_wi-fi_6e_ax210_firmwarekiller_wi-fi_6e_ax1675killer_wi-fi_6e_ax1690dual_band_wireless-ac_8260dual_band_wireless-ac_8265_firmwarewi-fi_6_ax201wireless-ac_9461_firmwarewireless-ac_9560killer_ac_1550wi-fi_6e_ax211Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products
CWE ID-CWE-125
Out-of-bounds Read
CVE-2020-1866
Matching Score-4
Assigner-Huawei Technologies
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Matching Score-4
Assigner-Huawei Technologies
CVSS Score-6.5||MEDIUM
EPSS-0.35% / 27.08%
||
7 Day CHG~0.00%
Published-13 Jan, 2021 | 22:22
Updated-04 Aug, 2024 | 06:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

There is an out-of-bounds read vulnerability in several products. The software reads data past the end of the intended buffer when parsing certain crafted DHCP messages. Successful exploit could cause certain service abnormal. Affected product versions include:NIP6800 versions V500R001C30,V500R001C60SPC500,V500R005C00;S12700 versions V200R008C00;S2700 versions V200R008C00;S5700 versions V200R008C00;S6700 versions V200R008C00;S7700 versions V200R008C00;S9700 versions V200R008C00;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00;USG9500 versions V500R001C30SPC300,V500R001C30SPC600,V500R001C60SPC500,V500R005C00.

Action-Not Available
Vendor-n/aHuawei Technologies Co., Ltd.
Product-s9700usg9500_firmwares2700s7700_firmwaresecospace_usg6600_firmwareusg9500s7700s12700s5700_firmwares6700_firmwares12700_firmwarenip6800_firmwares9700_firmwarenip6800s5700s6700secospace_usg6600s2700_firmwareNIP6800;S12700;S2700;S5700;S6700;S7700;S9700;Secospace USG6600;USG9500
CWE ID-CWE-125
Out-of-bounds Read
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