PT-2026-35690 · Totolink · A8000Ru

Ltzhust2 · Published 2026-04-28 · Updated 2026-04-28 · CVE-2026-7241

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. A remote attacker can exploit this by manipulating the wifiOff argument within the setWiFiBasicCfg() function of the '/cgi-bin/cstecgi.cgi' endpoint.

Recommendations Update Totolink A8000RU version 7.1cu.643 b20200521 to a patched version. As a temporary workaround, restrict access to the '/cgi-bin/cstecgi.cgi' endpoint or avoid using the wifiOff argument until a fix is applied.

Exploit

Fix

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-7241

Affected Products

A8000Ru

References · 10

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_325/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7241 · Security Note
• https://reddit.com/r/pwnhub/comments/1sy2nz3/critical_command_injection_flaw_found_in_totolink · Reddit Post
• https://t.me/CVEtracker/52044 · Telegram Post
• https://vuldb.com/submit/803086 · Note
• https://twitter.com/OrizonCyber/status/2049081257686950032 · Twitter Post
• https://t.me/cveNotify/161226 · Telegram Post
• https://vuldb.com/vuln/359848/cti · Note
• https://totolink.net · Note
• https://vuldb.com/vuln/359848 · Note