VulnerabilityAnalyzed
CVE-2026-2871
A weakness has been identified in Tenda A21 1.0.0.0.
HIGH 7.4EPSS 0.68%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 4.0
- 7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.68% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- tenda/a21 firmware
- Source
- cna@vuldb.com
References
- https://github.com/QIU-DIE/cve-nneeww/issues/2Exploit, Issue Tracking, Mitigation, Third Party Advisory
- https://vuldb.com/?ctiid.347108Permissions Required, VDB Entry
- https://vuldb.com/?id.347108Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754630Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754631Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.