Home/CVE/The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version V2.70(AAHH.3) and the GS1900-8HP firmwa
CVE

CVE-2022-45853

The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version V2.70(AAHH.3) and the GS1900-8HP firmwa

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.

MEDIUM · CVSS 6.7 EPSS 0.00035
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
CWE-276Incorrect Default Permissions
▤

Affected Products & Versions

10
zyxel gs1900-8 firmwareall versions
zyxel gs1900-8hp firmwareall versions
zyxel gs1900-10hp firmwareall versions
zyxel gs1900-16 firmwareall versions
zyxel gs1900-24 firmwareall versions
zyxel gs1900-24e firmwareall versions
zyxel gs1900-24ep firmwareall versions
zyxel gs1900-24hpv2 firmwareall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · security@zyxel.com.tw
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 May 2023 · 11:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-privilege-escalation-vulnerability-in-gs1900-series-switchesVendor Advisory
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