CVE-2023-30305

HIGH
Published May 28, 2024 Modified Jun 10, 2025

Description

An issue discovered in Linksys E5600 routers allows attackers to hijack TCP sessions which could lead to a denial of service.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linksys e5600_firmware
linksys e5600

References

Frequently Asked Questions

What is CVE-2023-30305? +
An issue discovered in Linksys E5600 routers allows attackers to hijack TCP sessions which could lead to a denial of service. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-30305? +
CVE-2023-30305 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-30305? +
CVE-2023-30305 affects products from linksys, specifically: e5600, e5600_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-30305? +
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.

Related Vulnerabilities

CVE-2008-1247

The web interface on the Linksys WRT54g router with firmware 1.00.9 does not require credentials when invoking scripts, which allows …
CVE-2006-5202

Linksys WRT54g firmware 1.00.9 does not require credentials when making configuration changes, which allows remote attackers to modify arbitrary configurations …
CVE-2024-33789 9.8

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability via the ipurl parameter at /API/info form endpoint.
CVE-2025-29229 9.8

linksys E5600 V1.1.0.26 is vulnerable to command injection in the function ddnsStatus.
CVE-2025-29228 9.8

Linksys E5600 V1.1.0.26 is vulnerable to command injection in the runtime.macClone function via the mc.ip parameter.
CVE-2025-45487 9.8

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.InternetConnection function.

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