CVE detail
CVE-2026-2886
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 4.5
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- https://www.tenda.com.cn/www.tenda.com.cn
No excerpt available.
Third Party Advisorywww.tenda.com.cnFeb 21, 2026, 9:16 PM - https://vuldb.com/?submit.754640vuldb.com
No excerpt available.
Exploitvuldb.comFeb 21, 2026, 9:16 PM - https://vuldb.com/?id.347180vuldb.com
No excerpt available.
Exploitvuldb.comFeb 21, 2026, 9:16 PM - https://vuldb.com/?ctiid.347180vuldb.com
No excerpt available.
Exploitvuldb.comFeb 21, 2026, 9:16 PM No excerpt available.
Exploitgithub.comFeb 21, 2026, 9:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
1 repository references · best confidence 0.90 · max 0 stars
- QIU-DIE/cve-nneewwHigh confidencegithubNVD Exploit reference0 starsDiscovered Jul 11, 2026, 6:20 AM
NVD labels the source link as Exploit; this is not independent verification of the repository's code.
Related records
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