CVE-2026-2871

7.4 highEPSS 0.8%

High (7.4) in tenda a21 firmware. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.4 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-02-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenda:a21_firmware

References

https://github.com/QIU-DIE/cve-nneeww/issues/2
https://vuldb.com/?ctiid.347108
https://vuldb.com/?id.347108
https://vuldb.com/?submit.754630
https://vuldb.com/?submit.754631

Check your stack JSON