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CVE Vulnerability Details :
CVE-2026-2886
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 | 21:02
Updated At-21 Feb, 2026 | 21:02
Rejected At-
▼CVE Numbering Authority (CNA)
Tenda A21 SetOnlineDevName set_device_name stack-based overflow

A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

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 18:09:49
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 18:09:49
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.347180
vdb-entry
technical-description
https://vuldb.com/?ctiid.347180
signature
permissions-required
https://vuldb.com/?submit.754640
third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/6
exploit
issue-tracking
https://www.tenda.com.cn/
product
Hyperlink: https://vuldb.com/?id.347180
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.347180
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.754640
Resource:
third-party-advisory
Hyperlink: https://github.com/QIU-DIE/cve-nneeww/issues/6
Resource:
exploit
issue-tracking
Hyperlink: https://www.tenda.com.cn/
Resource:
product
Details not found