What’s Vulnerable › Vulnerabilities

CVE-2023-30306

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-28 · updated 2026-06-17

Description

An issue discovered in Mercury x30g, Mercury YR1800XG routers allows attackers to hijack TCP sessions which could lead to a denial of service.

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-2023-30306 or the next vulnerability affects your stack