CVE-2025-6400: high-severity vulnerability in TOTOLINK N300RH
TOTOLINK N300RH HTTP POST Message formPortFw buffer overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 1.0%
A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formPortFw of the component HTTP POST Message Handler. The manipulation of the argument service_type leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
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
Affected products
TOTOLINK · N300RHRelated CVEs — TOTOLINK N300RH
In the same product, most dangerous first.
CVE-2025-4851MEDIUMTOTOLINK N300RH cstecgi.cgi setUploadUserData command injectionEPSS 1.5%CVE-2025-4849MEDIUMTOTOLINK N300RH cstecgi.cgi CloudACMunualUpdateUserdata command injectionEPSS 1.5%CVE-2025-4850MEDIUMTOTOLINK N300RH cstecgi.cgi setUnloadUserData command injectionEPSS 1.2%CVE-2025-6401MEDIUMTOTOLINK N300RH HTTP POST Message formFilter denial of serviceEPSS 0.5%