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CVE-2025-12258highCWE-119CWE-121

TOTOLINK A3300R POST Parameter cstecgi.cg setOpModeCfg stack-based overflow

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.9%
exploitation probability
0.9%top 41% of all CVEs
observed exploitation
nono source reports it
A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. Impacted is the function setOpModeCfg of the file /cgi-bin/cstecgi.cg of the component POST Parameter Handler. The manipulation of the argument opmode results in stack-based buffer overflow. The attack may be performed from remote.
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:X
Affected products
TOTOLINK · A3300R