CVE-2026-5178 Details
Description
A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
A command injection vulnerability has been identified in the Totolink A3300R router, specifically in version 17.0.0cu.557_b20221024. The issue arises in the web service 'shttpd', within the function 'setIptvCfg' of the file '/cgi-bin/cstecgi.cgi'. The vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating the 'vlanPriLan3' parameter in a crafted request. This exploitation could lead to a complete compromise of the device.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_inject | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/779147 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/354246 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/354246/cti | [email protected] | Permissions RequiredVDB Entry |
| https://www.totolink.net/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| totolink a3300r firmware | 17.0.0cu.557_b20221024 |
CPE
Remediation
| |
| totolink a3300r | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 6, 2026 | Initial Analysis | [email protected] |
| Mar 31, 2026 | New CVE Received | [email protected] |