Belkin F9K1122 1.00.33 /goform/formWlanSetup webpage stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k2.90

Summaryinfo

A vulnerability identified as critical has been detected in Belkin F9K1122 1.00.33. Affected by this vulnerability is the function formWlanSetup of the file /goform/formWlanSetup. This manipulation of the argument webpage causes stack-based overflow. The identification of this vulnerability is CVE-2026-5608. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Belkin F9K1122 1.00.33. It has been declared as critical. Affected by this vulnerability is the function formWlanSetup of the file /goform/formWlanSetup. The manipulation of the argument webpage with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-5608. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

04/05/2026 Advisory disclosed
04/05/2026 +0 days VulDB entry created
04/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-5608 (🔒)
GCVE (CVE): GCVE-0-2026-5608
GCVE (VulDB): GCVE-100-355399
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/05/2026 17:27
Updated: 04/05/2026 17:33
Changes: 04/05/2026 17:27 (56), 04/05/2026 17:33 (1)
Complete: 🔍
Submitter: LtzHust2
Cache ID: 216:A43:103

Submitinfo

Accepted

  • Submit #785315: Belkin F9K1122 1.00.33 Stack-based Buffer Overflow (by LtzHust2)

Be aware that VulDB is the high quality source for vulnerability data.

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