CVE-2023-30308

MEDIUM
Published May 28, 2024 Modified Aug 13, 2025 CWE-203

Description

An issue discovered in Ruijie EG210G-P, Ruijie EG105G-V2, Ruijie NBR, and Ruijie EG105G routers allows attackers to hijack TCP sessions which could lead to a denial of service.

Is your site exposed to CVE-2023-30308?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-203 CWE-203

Affected Products

Vendor Product
ruijie rg-eg210g-p_firmware
ruijie rg-eg210g-p
ruijie rg-eg105g_v2_firmware
ruijie rg-eg105g_v2
ruijie rg-nbr6210-e_firmware
ruijie rg-nbr6210-e
ruijie rg-nbr6215-e_firmware
ruijie rg-nbr6215-e
ruijie rg-nbr6120-e_firmware
ruijie rg-nbr6120-e
ruijie rg-nbr6205-e_firmware
ruijie rg-nbr6205-e
ruijie rg-eg105g_firmware
ruijie rg-eg105g

References

Frequently Asked Questions

What is CVE-2023-30308? +
An issue discovered in Ruijie EG210G-P, Ruijie EG105G-V2, Ruijie NBR, and Ruijie EG105G routers allows attackers to hijack TCP sessions which could lead to a denial of service. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2023-30308? +
CVE-2023-30308 has a CVSS v3.1 score of 6.5 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-2023-30308? +
CVE-2023-30308 affects products from ruijie, specifically: rg-eg105g, rg-eg105g_firmware, rg-eg105g_v2, rg-eg105g_v2_firmware, rg-eg210g-p, rg-eg210g-p_firmware, rg-nbr6120-e, rg-nbr6120-e_firmware, rg-nbr6205-e, rg-nbr6205-e_firmware, rg-nbr6210-e, rg-nbr6210-e_firmware, rg-nbr6215-e, rg-nbr6215-e_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-30308? +
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

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2023-30308 — free, no signup required.