What’s Vulnerable › Vulnerabilities

CVE-2023-30311

• Severity: high (CVSS 7.5 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: none known
• Published: 2024-05-28 · updated 2026-06-17
• Weakness: CWE-400

Description

An issue discovered in H3C Magic R365 and H3C Magic R100 routers allows attackers to hijack TCP sessions which could lead to a denial of service.

Affected products

• H3C Magic: r365, r100

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/

Get alerted when CVE-2023-30311 or the next vulnerability affects your stack