What’s Vulnerable › Vulnerabilities

CVE-2026-5676: Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-06 · updated 2026-07-24
• Weakness: CWE-287

Description

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.

Affected products

• Totolink A8000R: 5.9c.681_B20180413

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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