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CVE-2026-5676

Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication

HIGH
7.3
CVSS Score
Published: April 6, 2026 at 06:15 PM UTC
Updated: July 24, 2026 at 09:23 AM UTC
1 product affected across 1 vendorA8000R

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Severity
HIGH7.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/355503
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/355503/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/792433
Exploit
Source: cverecord
https://github.com/skeetabc/CVE-TOTOLINK-A800R/blob/main/vuln1_auth_bypass.md
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306CWE-287

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