There is a stack-based buffer overflow on some Tenda routers (FH1202/F1202/F1200: versions before 1.2.0.20). Crafted POST requests to an unspecified URL result in DoS, interrupting the HTTP service (used to login to the web UI of a router) for 1 to 2 seconds.
Severity
CVSS 3.0
3.5 low
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS
0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-31)