CVE-2025-4831: high-severity vulnerability in TOTOLINK A702R
TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSiteSurveyProfile buffer overflow
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.9%
A vulnerability, which was classified as critical, was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. This affects an unknown part of the file /boafrm/formSiteSurveyProfile of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack 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
Related CVEs — TOTOLINK A702R
In the same product, most dangerous first.
CVE-2025-8140HIGHTOTOLINK A702R HTTP POST Request formWlanMultipleAP buffer overflowEPSS 11.3%CVE-2025-8138HIGHTOTOLINK A702R HTTP POST Request formOneKeyAccessButton buffer overflowEPSS 11.3%CVE-2025-6485MEDIUMTOTOLINK A3002R formWlSiteSurvey os command injectionEPSS 9.3%CVE-2025-6627HIGHTOTOLINK A702R HTTP POST Request formIpv6Setup buffer overflowEPSS 5.8%CVE-2025-8136HIGHTOTOLINK A702R HTTP POST Request formFilter buffer overflowEPSS 1.2%CVE-2025-8139HIGHTOTOLINK A702R HTTP POST Request formPortFw buffer overflowEPSS 1.2%