CVE-2026-5676

MEDIUM EPSS 32.3%
Published Apr 6, 20262mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 4.0
Medium
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Published Apr 6, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
Impact
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
32.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-287 Improper Authentication Authentication
CWE-306 Missing Authentication for Critical Function Authentication

References 5

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.