CVE-2026-5679

MEDIUM

Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

Title source: cna
STIX 2.1

Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-355506 | Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection
https://vuldb.com/vuln/355506
Signature, Permissions Required signature permissions-required
VDB-355506 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/355506/cti
Third Party Advisory third-party-advisory
Submit #792650 | Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection
https://vuldb.com/submit/792650
Third Party Advisory third-party-advisory
Submit #792798 | Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection (Duplicate)
https://vuldb.com/submit/792798
Product product
https://www.totolink.net/

Scores

CVSS v3 5.5
EPSS 0.0174
EPSS Percentile 74.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-77 CWE-78
Status published
Products (1)
Totolink/A3300R 17.0.0cu.557_B20221024
Published Apr 06, 2026
Tracked Since Apr 07, 2026