Vulnerability · Published Jun 15, 2025 · Assigned by VulDB

CVE-2025-6091H3C GR-3000AX aspForm UpdateIpv6Params buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in GR-3000AX from H3C. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.7%top 48.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in H3C GR-3000AX V100R007L50. It has been classified as critical. Affected is the function UpdateWanParamsMulti/UpdateIpv6Params of the file /routing/goform/aspForm. The manipulation of the argument param leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor confirms the existence of this issue. Because they assess the risk as low, they do not have immediate plans for remediation.

Affected products (as reported)

Vendor	Product	Versions
H3C	GR-3000AX	V100R007L50

Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C

References

VDB-312558 | H3C GR-3000AX aspForm UpdateIpv6Params buffer overflow vdb-entry, technical-description
VDB-312558 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #588000 | H3C H3C GR-3000AX V100R007L50 Buffer Overflow third-party-advisory
https://github.com/CH13hh/cve/blob/main/new/6.md broken-link, exploit