cve.bz

CVE-2026-4254

8.9 highEPSS 0.9%

High (8.9) in tenda ac8 firmware. EPSS 0.9% chance of exploitation in the next 30 days.

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Severity

CVSS 4.0

8.9 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWEs
CWE-787, CWE-119, CWE-121
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON