CVE-2025-4997 | BDVDB-2026-279592 Detail

H3CR2+ProG

Description#

A vulnerability, which was classified as problematic, was found in H3C R2+ProG up to 200R004. Affected is the function UpdateWanParams/AddMacList/EditMacList/AddWlanMacList/EditWlanMacList/Edit_BasicSSID/Edit_GuestSSIDFor2P4G/Edit_BasicSSID_5G/SetAPInfoById of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to denial of service. It is possible to launch the attack 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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-404 Denial of Service

References#

Exploit#

https://github.com/CH13hh/tmp_store_cc/blob/main/H3C%20R2%2BProG/1.md

History#

Version 12025-05-20Record published in the CVE List.

Published

Published: 2025-05-20
Last modified: 2025-05-20

Vendor information

Vendor: H3C
Product: R2+ProG

All H3C vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 47.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
200R004
Fixed
Not stated

Scoring System

CVSS v4.0

7.1 High

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

6.5 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

6.5 Medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v2

6.8 Medium

AV:N/AC:L/Au:S/C:N/I:N/A:C

Metric breakdown
Access Vector	Network
Access Complexity	Low
Authentication	Single
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).