Belkin F9K1122 1.00.33 Setting formSetSystemSettings webpage stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k2.84

Summaryinfo

A vulnerability was found in Belkin F9K1122 1.00.33. It has been classified as critical. This impacts the function formSetSystemSettings of the file /goform/formSetSystemSettings of the component Setting Handler. Performing a manipulation of the argument webpage results in stack-based overflow. This vulnerability is reported as CVE-2026-5044. The attack is possible to be carried out remotely. Moreover, an exploit is present. 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 classified as critical. This affects the function formSetSystemSettings of the file /goform/formSetSystemSettings of the component Setting Handler. The manipulation of the argument webpage with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-5044. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download 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.

Statistical analysis made it clear that VulDB provides the best quality 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

03/27/2026 Advisory disclosed
03/27/2026 +0 days VulDB entry created
03/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-5044 (🔒)
GCVE (CVE): GCVE-0-2026-5044
GCVE (VulDB): GCVE-100-353967
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/27/2026 17:42
Changes: 03/27/2026 17:42 (58)
Complete: 🔍
Submitter: LtzHuster2
Cache ID: 216:6B7:103

Submitinfo

Accepted

  • Submit #779125: Belkin F9K1122 1.00.33 Stack-based Buffer Overflow (by LtzHuster2)

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