Which versions of Totolink A3002MU B20211125.1046. Affected are affected by CVE-2026-6194?

CVE-2026-6194 is a stack-based buffer overflow in Totolik A3002MU router firmware that enables authenticated attackers to execute arbitrary code on affected devices.

Is there a public PoC exploit available for CVE-2026-6194?

Yes, a public proof-of-concept exploit is available for CVE-2026-6194. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-6194?

Within 24 hours: Inventory all Totolik A3002MU devices on network and document firmware versions (target B20211125.1046 and prior). Within 7 days: Restrict network access to administrative interfaces and disable remote management if enabled. Within 30 days: Contact Totolik for patch status confirmation; if no patch becomes available, consider hardware replacement or segmentation of affected devices to isolated network segments with enhanced monitoring.

Totolink A3002MU B20211125.1046. Affected CVE-2026-6194

Q: What is the CVSS score of CVE-2026-6194?

CVE-2026-6194 has a CVSS 4.0 base score of 7.4 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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. EPSS exploitation probability: 0.1%.

EUVD-2026-22034 HIGH

Stack-based Buffer Overflow (CWE-121)

2026-04-13 VulDB

GHSA-wcjg-f74r-f452

Buffer Overflow Stack Overflow

7.4

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

Lifecycle Timeline

Re-analysis Queued

Apr 22, 2026 - 20:37 vuln.today

cvss_changed

PoC Detected

Apr 22, 2026 - 20:23 vuln.today

Public exploit code

Analysis Generated

Apr 15, 2026 - 12:31 vuln.today

CVSS changed

Apr 13, 2026 - 18:22 NVD

8.8 (HIGH) 7.4 (HIGH)

EUVD ID Assigned

Apr 13, 2026 - 18:00 euvd

EUVD-2026-22034

Analysis Generated

Apr 13, 2026 - 18:00 vuln.today

CVE Published

Apr 13, 2026 - 17:15 nvd

HIGH 7.4

DescriptionNVD

A weakness has been identified in Totolink A3002MU B20211125.1046. Affected by this vulnerability is the function sub_410188 of the file /boafrm/formWlanSetup of the component HTTP Request Handler. This manipulation of the argument wan-url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

AnalysisAI

Stack-based buffer overflow in Totolink A3002MU router firmware B20211125.1046 allows authenticated remote attackers to execute arbitrary code via crafted 'wan-url' parameter in /boafrm/formWlanSetup endpoint. Publicly available exploit code exists (PoC on GitHub). …

RemediationAI

Within 24 hours: Inventory all Totolik A3002MU devices on network and document firmware versions (target B20211125.1046 and prior). Within 7 days: Restrict network access to administrative interfaces and disable remote management if enabled. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

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

CVE-2026-6194 vulnerability details – vuln.today

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Totolink A3002MU B20211125.1046. Affected CVE-2026-6194

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Totolink A3002MU B20211125.1046. Affected CVE-2026-6194

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External POC / Exploit Code