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CVE-2026-5101 - Vulnerability Analysis

MediumCVSS: 6.3

Last Updated: March 30, 2026

Totolink A3300R - Command Injection

Published: March 29, 2026Updated: March 30, 2026PoC AvailableRemote Exploitable

Overview

Totolink A3300R 17.0.0cu.557_b20221024 contains a command injection caused by manipulation of the "lanIp" argument in setLanCfg function of /cgi-bin/cstecgi.cgi Parameter Handler, letting remote attackers execute arbitrary commands, exploit requires no special privileges.

Severity & Score

Severity: Medium

CVSS Score: 6.3

Impact

Remote attackers can execute arbitrary commands, potentially taking full control of the device.

Mitigation

Update to the latest version.

References

https://www.totolink.net/
https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_39/README.md
https://vuldb.com/submit/779128
https://vuldb.com/vuln/354126
https://vuldb.com/vuln/354126/cti

Related Resources

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Details

CVE ID: CVE-2026-5101
Severity: Medium
CVSS Score: 6.3
Type: command_injection
Status: confirmed

CWE

CWE-74
CWE-78

CVSS Metrics

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