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Vulnerability · Published Aug 20, 2025 · Assigned by VulDB

CVE-2025-9246Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 check_port_conflict stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in RE6250 from Linksys. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.0%top 36.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A flaw has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Impacted is the function check_port_conflict of the file /goform/check_port_conflict. Executing manipulation of the argument single_port_rule/port_range_rule can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
Linksys RE6250 1.0.013.0011.0.04.0011.0.04.0021.1.05.0031.2.07.001
Linksys RE6300 1.0.013.0011.0.04.0011.0.04.0021.1.05.0031.2.07.001
Linksys RE6350 1.0.013.0011.0.04.0011.0.04.0021.1.05.0031.2.07.001
Linksys RE6500 1.0.013.0011.0.04.0011.0.04.0021.1.05.0031.2.07.001
Linksys RE7000 1.0.013.0011.0.04.0011.0.04.0021.1.05.0031.2.07.001
Linksys RE9000 1.0.013.0011.0.04.0011.0.04.0021.1.05.0031.2.07.001

Weakness: CWE-121, 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:X/RC:R

References