PT-2026-31589 · Totolink · A7100Ru

Ltzhust2 · Published 2026-04-09 · Updated 2026-04-09 · CVE-2026-5850

Mitre

CVSS v3.1

9.8

Critical

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

A vulnerability was identified in Totolink A7100RU 7.4cu.2313 b20191024. This affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Exploit

Fix

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-5850

Affected Products

A7100Ru

References · 6

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_156/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5850 · Security Note
• https://vuldb.com/vuln/356376 · Note
• https://vuldb.com/vuln/356376/cti · Note
• https://totolink.net · Note
• https://vuldb.com/submit/791266 · Note