What’s Vulnerable › Vulnerabilities

CVE-2023-30308

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-05-28 · updated 2026-06-17
• Weakness: 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.

Affected products

• Ruijie Rg-Eg105G Firmware: all versions
• Ruijie Rg-Eg105G V2 Firmware: all versions
• Ruijie Rg-Eg210G-P Firmware: all versions
• Ruijie Rg-Nbr6120-E Firmware: all versions
• Ruijie Rg-Nbr6205-E Firmware: all versions
• Ruijie Rg-Nbr6210-E Firmware: all versions
• Ruijie Rg-Nbr6215-E Firmware: all versions

References

• https://www.ndss-symposium.org/ndss-paper/exploiting-sequence-number-leakage-tcp-hijacking-in-nat-enabled-wi-fi-networks/
• https://www.ndss-symposium.org/ndss-paper/exploiting-sequence-number-leakage-tcp-hijacking-in-nat-enabled-wi-fi-networks/

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