Ruijie RG-NBR2600S Gateway 10.3(4b12) NAT Rule buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Ruijie RG-NBR2600S Gateway 10.3(4b12) and classified as critical. This affects an unknown part of the component NAT Rule Handler. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2025-25527. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Ruijie RG-NBR2600S Gateway 10.3(4b12). Affected by this issue is an unknown code of the component NAT Rule Handler. The manipulation 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. CVE summarizes:

Buffer overflow vulnerability in Ruijie RG-NBR2600S Gateway 10.3(4b12) due to the lack of length verification, which is related to the configuration of source address NAT rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

The advisory is available at gist.github.com. This vulnerability is handled as CVE-2025-25527 since 02/07/2025. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/30/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-4125). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

02/07/2025 🔍
02/12/2025 +5 days 🔍
02/12/2025 +0 days 🔍
05/30/2025 +107 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2025-25527 (🔍)
GCVE (CVE): GCVE-0-2025-25527
GCVE (VulDB): GCVE-100-295418
EUVD: 🔍

Entryinfo

Created: 02/12/2025 08:27
Updated: 05/30/2025 06:51
Changes: 02/12/2025 08:27 (53), 05/30/2025 06:51 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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