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CVE Vulnerability Details :
CVE-2026-2874
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-21 Feb, 2026 | 17:32
Updated At-21 Feb, 2026 | 17:32
Rejected At-
▼CVE Numbering Authority (CNA)
Tenda A21 fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow

A flaw has been found in Tenda A21 1.0.0.0. Impacted is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. Executing a manipulation of the argument ssid can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Affected Products
Vendor
Tenda Technology Co., Ltd.Tenda
Product
A21
Versions
Affected
  • 1.0.0.0
Problem Types
TypeCWE IDDescription
CWECWE-121Stack-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-121
Description: Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.08.8HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.09.0N/A
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 3.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 2.0
Base score: 9.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
hhsw34 (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-20 00:00:00
VulDB entry created2026-02-20 01:00:00
VulDB entry last update2026-02-20 15:46:15
Event: Advisory disclosed
Date: 2026-02-20 00:00:00
Event: VulDB entry created
Date: 2026-02-20 01:00:00
Event: VulDB entry last update
Date: 2026-02-20 15:46:15
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.347111
vdb-entry
technical-description
https://vuldb.com/?ctiid.347111
signature
permissions-required
https://vuldb.com/?submit.754636
third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/5
exploit
issue-tracking
https://www.tenda.com.cn/
product
Hyperlink: https://vuldb.com/?id.347111
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.347111
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.754636
Resource:
third-party-advisory
Hyperlink: https://github.com/QIU-DIE/cve-nneeww/issues/5
Resource:
exploit
issue-tracking
Hyperlink: https://www.tenda.com.cn/
Resource:
product
Details not found