CVE-2026-19815

7.4 highEPSS 0.9%

High (7.4). EPSS 0.9% chance of exploitation in the next 30 days.

A flaw has been found in TOTOLINK A800R 4.1.2cu.5137_B20200730. Affected by this vulnerability is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Executing a manipulation of the argument urlKeyword can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Severity

CVSS 4.0

7.4 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-08-14
Modified: 2026-08-14
Record from: the NVD, synced 2026-10-19

References

https://github.com/panda666-888/vuls/blob/main/totolink/a800r/setParentalRules.md
https://vuldb.com/cve/CVE-2026-19815
https://vuldb.com/submit/869442
https://vuldb.com/vuln/389951
https://vuldb.com/vuln/389951/cti

Check your stack JSON