CVE-2026-5103

| EUVD-2026-17053 MEDIUM
2026-03-30 VulDB GHSA-fxg3-w9hm-vf88
5.3
CVSS 4.0
Share

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
PoC Detected
Mar 30, 2026 - 15:42 vuln.today
Public exploit code
Analysis Generated
Mar 30, 2026 - 01:45 vuln.today
EUVD ID Assigned
Mar 30, 2026 - 01:45 euvd
EUVD-2026-17053
CVE Published
Mar 30, 2026 - 01:00 nvd
MEDIUM 5.3

Tags

Command Injection

Description

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Analysis

Remote command injection in Totolink A3300R firmware 17.0.0cu.557_b20221024 allows authenticated remote attackers to execute arbitrary commands via the enable parameter in the setUPnPCfg function at /cgi-bin/cstecgi.cgi. Publicly available exploit code exists, and the vulnerability has a CVSS score of 6.3 with confirmed proof-of-concept demonstrated on GitHub.

Sign in for full analysis, threat intelligence, and remediation guidance.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +2.9
CVSS: +26
POC: +20

Share

CVE-2026-5103 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy