A vulnerability has been found in Totolink A3002MU B20211125.1046 and classified as critical . 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. This vulnerability is registered as CVE-2026-6194 . Remote exploitation of the attack is possible. Furthermore, an exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-357116 · CVE-2026-6194 · SUBMIT #357116
TOTOLINK A3002MU B20211125.1046 HTTP REQUEST /BOAFRM/FORMWLANSETUP SUB_410188 WAN-URL STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 2.79+
Summaryinfo
A vulnerability was found in Totolink A3002MU B20211125.1046 and classified as critical. Affected by this issue is the function sub_410188 of the file /boafrm/formWlanSetup of the component HTTP Request Handler. Such manipulation of the argument wan-url leads to stack-based overflow. This vulnerability is documented as CVE-2026-6194. The attack can be executed remotely. Additionally, an exploit exists.
Detailsinfo
A vulnerability was found in Totolink A3002MU B20211125.1046 and classified as critical. Affected by this issue is the function sub_410188 of the file /boafrm/formWlanSetup of the component HTTP Request Handler. The manipulation of the argument wan-url with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-6194. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.
The exploit is available 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
A3002MU
Version
B20211125.1046
License
commercial
Website
Vendor: https://www.totolink.net/
CPE 2.3info
🔒
CPE 2.2info
🔒
CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: no mitigation known
Status: 🔍
0-Day Time: 🔒
Timelineinfo
04/13/2026 Advisory disclosed
04/13/2026 +0 days VulDB entry created
04/13/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: totolink.net
Advisory: github.com
Status: Not defined
CVE: CVE-2026-6194 (🔒)
GCVE (CVE): GCVE-0-2026-6194
GCVE (VulDB): GCVE-100-357116
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 04/13/2026 10:48
Changes: 04/13/2026 10:48 (57)
Complete: 🔍
Submitter: DLChen
Cache ID: 99:7C0:101
Submitinfo
Accepted
Submit #797452: TOTOLINK A3002MU A3002MU_Hh-B20211125.1046 Stack-based Buffer Overflow (by DLChen)
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