H3C GR-5400AX up to 100R008 /routing/goform/aspForm EditWlanMacList param buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in H3C GR-5400AX up to 100R008 and classified as critical. Affected by this vulnerability is the function EditWlanMacList of the file /routing/goform/aspForm. Such manipulation of the argument param leads to buffer overflow. This vulnerability is traded as CVE-2025-5156. The attack may be launched 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 H3C GR-5400AX up to 100R008 and classified as critical. Affected by this issue is the function EditWlanMacList of the file /routing/goform/aspForm. The manipulation of the argument param with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-5156. 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. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

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

05/25/2025 🔍
05/25/2025 +0 days 🔍
05/26/2025 +0 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-5156 (🔍)
GCVE (CVE): GCVE-0-2025-5156
GCVE (VulDB): GCVE-100-310244
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/25/2025 08:53
Updated: 05/26/2025 01:03
Changes: 05/25/2025 08:53 (57), 05/26/2025 01:03 (30)
Complete: 🔍
Submitter: DaddyShark
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #574080: New H3C Technologies Co., Ltd. H3C GR-5400AX <=100R008 Buffer Overflow (by DaddyShark)

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