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Vulnerability Details :

CVE-2026-24110

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-02 Mar, 2026 | 00:00
Updated At-02 Mar, 2026 | 16:07
Rejected At-
Credits

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex, dhcpsIP, dhcpsMac);`, the lack of size validation for the rules could lead to buffer overflows in `dhcpsIndex`, `dhcpsIP`, and `dhcpsMac`.

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)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:02 Mar, 2026 | 00:00
Updated At:02 Mar, 2026 | 16:07
Rejected At:
▼CVE Numbering Authority (CNA)

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex, dhcpsIP, dhcpsMac);`, the lack of size validation for the rules could lead to buffer overflows in `dhcpsIndex`, `dhcpsIP`, and `dhcpsMac`.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.tenda.com.cn/material/show/2707
N/A
https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24110
N/A
Hyperlink: https://www.tenda.com.cn/material/show/2707
Resource: N/A
Hyperlink: https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24110
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-120CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Type: CWE
CWE ID: CWE-120
Description: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:02 Mar, 2026 | 16:16
Updated At:03 Mar, 2026 | 15:51

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex, dhcpsIP, dhcpsMac);`, the lack of size validation for the rules could lead to buffer overflows in `dhcpsIndex`, `dhcpsIP`, and `dhcpsMac`.

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
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Tenda Technology Co., Ltd.
tenda
>>w20e_firmware>>15.11.0.6
cpe:2.3:o:tenda:w20e_firmware:15.11.0.6:*:*:*:*:*:*:*
Tenda Technology Co., Ltd.
tenda
>>w20e>>4.0
cpe:2.3:h:tenda:w20e:4.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-120Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-120
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24110cve@mitre.org
Exploit
Third Party Advisory
https://www.tenda.com.cn/material/show/2707cve@mitre.org
Product
Hyperlink: https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24110
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.tenda.com.cn/material/show/2707
Source: cve@mitre.org
Resource:
Product

Change History

0
Information is not available yet

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