What’s Vulnerable › Vulnerabilities

CVE-2022-38546

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-21 · updated 2026-06-17
• Weakness: CWE-284

Description

A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode.

Affected products

• Zyxel NBG7510 firmware: through 1.00\(abzy.2\)c0

References

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router
• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router

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