What’s Vulnerable › Vulnerabilities

CVE-2022-45853

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-30 · updated 2026-06-17
• Weakness: CWE-269

Description

The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as 'root' on a vulnerable device via SSH.

Affected products

• Zyxel GS1900-10HP firmware: 2.70(aazi.3)
• Zyxel GS1900-16 firmware: 2.70(aahj.3)
• Zyxel GS1900-24 firmware: 2.70(aahl.3)
• Zyxel GS1900-24E firmware: 2.70(aahk.3)
• Zyxel GS1900-24EP firmware: 2.70(abto.3)
• Zyxel GS1900-24HPv2 firmware: 2.70(abtp.3)
• Zyxel GS1900-48 firmware: 2.70(aahn.3)
• Zyxel GS1900-48HPv2 firmware: 2.70(abtq.3)
• Zyxel GS1900-8 firmware: 2.70(aahh.3)
• Zyxel GS1900-8HP firmware: 2.70(aahi.3)

References

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-privilege-escalation-vulnerability-in-gs1900-series-switches
• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-privilege-escalation-vulnerability-in-gs1900-series-switches

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