PT-2026-35220 · Totolink · A8000Ru

Ltzhuster · Published 2026-04-26 · Updated 2026-05-24 · CVE-2026-7037

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Totolink A8000RU version 7.1cu.643 b20200521

Description An OS command injection flaw exists in the CGI Handler component. Remote, unauthenticated attackers can execute arbitrary operating system commands by manipulating the pptpPassThru argument within the setVpnPassCfg() function of the '/cgi-bin/cstecgi.cgi' endpoint.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-7037

Affected Products

A8000Ru

References · 12

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_305/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7037 · Security Note
• https://twitter.com/CVEnew/status/2048481027832574344 · Twitter Post
• https://reddit.com/r/pwnhub/comments/1sw7h2q/critical_os_command_injection_risk_in_totolink · Reddit Post
• https://twitter.com/lyrie_ai/status/2058348768383168593 · Twitter Post
• https://twitter.com/OrizonCyber/status/2048379090541924670 · Twitter Post
• https://twitter.com/lyrie_ai/status/2058348766403420521 · Twitter Post
• https://vuldb.com/submit/798484 · Note
• https://vuldb.com/vuln/359617/cti · Note
• https://twitter.com/lyrie_ai/status/2058348767351325171 · Twitter Post
• https://vuldb.com/vuln/359617 · Note
• https://totolink.net · Note