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Home / Vulnerability Intelligence / CVE-2026-5997

CVE-2026-5997 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: April 10, 2026

Totolink A7100RU - Command Injection

Published: April 10, 2026Updated: April 10, 2026Remote Exploitable

Overview

Totolink A7100RU 7.4cu.2313_b20191024 contains a command injection caused by manipulation of the "admpass" argument in /cgi-bin/cstecgi.cgi setLoginPasswordCfg function, letting remote attackers execute OS commands, exploit requires no special privileges.

Severity & Score

Severity: Critical
CVSS Score: 9.8
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Remote attackers can execute arbitrary OS commands, potentially leading to full system compromise.

Mitigation

Update to the latest version or apply vendor patches addressing this issue.

References

Social Media Activity(4 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Apr 10, 2026

šŸ”“ CVE-2026-5997 - Critical (9.8) A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os c... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-5997/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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OffSequence
OffSequence
@offseq
Apr 10, 2026

Totolink A7100RU (7.4cu.2313_b20191024) hit by CRITICAL OS command injection (CVE-2026-5997) ā€” remote, unauthenticated code execution possible. No patch yet. Disable remote management & limit access! https://radar.offseq.com/threat/cve-2026-5997-os-command-injection-in-totolink-a71-76c83173 #OffSeq #CVE20265997 #RouterSecurity #Vuln

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Apr 10, 2026

šŸ”“ CVE-2026-5997 - Critical (9.8) A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os c... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-5997/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
OffSequence
OffSequence
@offseq
Apr 10, 2026

Totolink A7100RU (7.4cu.2313_b20191024) hit by CRITICAL OS command injection (CVE-2026-5997) ā€” remote, unauthenticated code execution possible. No patch yet. Disable remote management & limit access! https://radar.offseq.com/threat/cve-2026-5997-os-command-injection-in-totolink-a71-76c83173 #OffSeq #CVE20265997 #RouterSecurity #Vuln

View original post

Related Resources

Details

CVE ID
CVE-2026-5997
Severity
Critical
CVSS Score
9.8
Type
command_injection
Status
new
EPSS
0.0%
Social Posts
4

CWE

  • CWE-77

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

0.0%Probability of exploitation in the next 30 days