CVE-2026-5679 | Totolink A3300R 17.0.0cu.557_B20221024 /cgi-bin/cstecgi.cgi vsetTr069Cfg stun_pass os command injection

VDB-355506 · CVE-2026-5679 · GCVE-100-355506 TOTOLINK A3300R 17.0.0CU.557_B20221024 /CGI-BIN/CSTECGI.CGI VSETTR069CFG STUN_PASS OS COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.0 $0-$5k 1.08+ Summaryinfo A vulnerability was found in Totolink A3300R 17.0.0cu.557_B20221024 and classified as critical. This affects the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass results in os command injection. This vulnerability is identified as CVE-2026-5679. Additionally, an exploit exists. Detailsinfo A vulnerability was found in Totolink A3300R 17.0.0cu.557_B20221024. It has been classified as critical. Affected is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The advisory is available at github.com. This vulnerability is traded as CVE-2026-5679. The exploitability is told to be easy. Technical details and a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project. The exploit is shared for download at github.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Totolink Name A3300R Version 17.0.0cu.557_B20221024 License commercial Website Vendor: https://www.totolink.net/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.5 VulDB Meta Temp Score: 5.0 VulDB Base Score: 5.5 VulDB Temp Score: 5.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Os command injection CWE: CWE-78 / CWE-77 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/06/2026 Advisory disclosed 04/06/2026 +0 days VulDB entry created 04/06/2026 +0 days VulDB entry last update Sourcesinfo Vendor: totolink.net Advisory: github.com Status: Not defined CVE: CVE-2026-5679 (🔒) GCVE (CVE): GCVE-0-2026-5679 GCVE (VulDB): GCVE-100-355506 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/06/2026 11:50 Changes: 04/06/2026 11:50 (56) Complete: 🔍 Submitter: m202572177 Cache ID: 99:651:101 Submitinfo Accepted Submit #792650: Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection (by m202572177) Duplicate Submit #XXXXXX: Xxxxxxxx Xxxxxx Xxx.x.xxx.xxx_xxxxxxxxx Xx Xxxxxxx Xxxxxxxxx (by HustBinary) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸