CVE-2026-5676

5.5 mediumEPSS 0.4%

Medium (5.5). EPSS 0.4% chance of exploitation in the next 30 days.

A vulnerability was identified in Totolink A8000R 5.9c.681_B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available and might be used.

Severity

CVSS 4.0

5.5 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.3 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWEs: CWE-287, CWE-306
Published: 2026-04-06
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

References

https://github.com/skeetabc/CVE-TOTOLINK-A800R/blob/main/vuln1_auth_bypass.md
https://vuldb.com/submit/792433
https://vuldb.com/vuln/355503
https://vuldb.com/vuln/355503/cti
https://www.totolink.net/

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