CVE-2025-25527: rg-nbr2600s Buffer Overflow (CVSS 5.1)

Description

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.

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CVSS v3.1 Score

5.1

MEDIUM

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
ruijie	rg-nbr2600s_firmware	All
ruijie	rg-nbr2600s	All

References

Other References

https://gist.github.com/XiaoCurry/354620285280aca98acba94a9c5fffb6

Frequently Asked Questions

What is CVE-2025-25527? +

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. It has a CVSS v3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2025-25527? +

CVE-2025-25527 has a CVSS v3.1 score of 5.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-25527? +

CVE-2025-25527 affects products from ruijie, specifically: rg-nbr2600s, rg-nbr2600s_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-25527? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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