PT-2026-35572 · Totolink · A8000Ru

Ltzhust · Published 2026-04-28 · Updated 2026-04-29 · CVE-2026-7203

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description OS command injection can be triggered remotely via the CGI Handler component. The issue exists in the setUrlFilterRules() function within the '/cgi-bin/cstecgi.cgi' endpoint, where improper manipulation of the enable argument allows for the execution of arbitrary operating system commands.

Recommendations As a temporary workaround, consider restricting access to the '/cgi-bin/cstecgi.cgi' endpoint or disabling the setUrlFilterRules() function until a patch is available. 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-2026-7203

Affected Products

A8000Ru

References · 13

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_322/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7203 · Security Note
• https://twitter.com/PurpleOps_io/status/2049345790892474778 · Twitter Post
• https://vuldb.com/vuln/359803 · Note
• https://vuldb.com/submit/801528 · Note
• https://vuldb.com/vuln/359803/cti · Note
• https://twitter.com/CVEnew/status/2049594427690135811 · Twitter Post
• https://twitter.com/CVEarity/status/2049077370007715921 · Twitter Post
• https://t.me/cveNotify/161185 · Telegram Post
• https://t.me/CVEtracker/52025 · Telegram Post
• https://twitter.com/TheRabbitPy/status/2049045656463921488 · Twitter Post
• https://totolink.net · Note
• https://twitter.com/OrizonCyber/status/2049005742821196207 · Twitter Post