cve.bz

CVE-2026-2870

7.4 highEPSS 0.7%

High (7.4) in tenda a21 firmware. EPSS 0.7% chance of exploitation in the next 30 days.

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function set_qosMib_list of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may 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
0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWEs
CWE-119, CWE-121
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON