CVE-2025-9303: high-severity vulnerability in TOTOLINK A720R
TOTOLINK A720R cstecgi.cgi setParentalRules buffer overflow
Published
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 security flaw has been discovered in TOTOLINK A720R 4.1.5cu.630_B20250509. This issue affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. Performing manipulation of the argument desc results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be exploited.
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 · A720RRelated CVEs — TOTOLINK A720R
In the same product, most dangerous first.
CVE-2025-4270MEDIUMTOTOLINK A720R Config cstecgi.cgi information disclosureEPSS 14.0%CVE-2024-8869LOWTOTOLINK A720R exportOvpn os command injectionEPSS 1.7%CVE-2025-4268MEDIUMTOTOLINK A720R cstecgi.cgi missing authenticationEPSS 1.1%CVE-2026-82539CRITICALTOTOLINK A720R MAC Filtering cstecgi.cgi setMacFilterRules memory corruptionEPSS 0.8%CVE-2025-4271MEDIUMTOTOLINK A720R cstecgi.cgi information disclosureEPSS 0.7%CVE-2025-4269MEDIUMTOTOLINK A720R Log cstecgi.cgi access controlEPSS 0.6%