CVE-2026-2871Tenda A21 SetIpMacBind fromSetIpMacBind stack-based overflow
Updated under an hour ago ()
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It affects Tenda A21 and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
- CVSS
- 8.8 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-121, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Feb 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Tenda A21 tenda:a21 (from the name) | 1.0.0.0 | CNA record |
tenda a21_firmware tenda:a21_firmware | 1.0.0.0 | NVD |
References
- https://vuldb.com/?id.347108vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.347108signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.754631third-party-advisory, vdb-entry
- https://vuldb.com/?submit.754630third-party-advisory, vdb-entry
- https://github.com/QIU-DIE/cve-nneeww/issues/2exploit, issue-tracking, mitigation, third-party-advisory
- https://www.tenda.com.cn/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.