CVE-2025-5156

Name: CVE-2025-5156
Creator: NVD / NIST
Published: 2025-05-25T22:15:19.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2025-5156 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

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 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.7/10

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:X/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 Probability

0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
H3c	Gr-5400ax Firmware	<= 100R008

References

https://github.com/CH13hh/tmp_store_cc/blob/main/H3C%20GB5400AX/6.mdBroken Link
https://vuldb.com/?ctiid.310244Permissions Required, VDB Entry
https://vuldb.com/?id.310244Third Party Advisory, VDB Entry
https://vuldb.com/?submit.574080Third Party Advisory, VDB Entry
https://github.com/CH13hh/tmp_store_cc/blob/main/H3C%20GB5400AX/6.mdBroken Link

Timeline

Published: May 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5156?

How severe is CVE-2025-5156?

CVE-2025-5156 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5156?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-5156?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST