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CVE-2022-45853

17
FAUCET Score

CVE-2022-45853 is a privilege escalation vulnerability affecting specific firmware versions of Zyxel GS1900-8 and GS1900-8HP switches. An authenticated, local attacker with administrator privileges can exploit this flaw via SSH to execute system commands as 'root'. With a CVSS score of 6.7 (Medium), this vulnerability requires high privileges and local access, but allows for complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.70\(aahh.3\)CPE matchmatch criteria
cpe:2.3:o:zyxel:gs1900-8_firmware:2.70\(aahh.3\):*:*:*:*:*:*:*
2.70\(aahi.3\)CPE matchmatch criteria
cpe:2.3:o:zyxel:gs1900-8hp_firmware:2.70\(aahi.3\):*:*:*:*:*:*:*
2.70\(aazi.3\)CPE matchmatch criteria
cpe:2.3:o:zyxel:gs1900-10hp_firmware:2.70\(aazi.3\):*:*:*:*:*:*:*
2.70\(aahj.3\)CPE matchmatch criteria
cpe:2.3:o:zyxel:gs1900-16_firmware:2.70\(aahj.3\):*:*:*:*:*:*:*
2.70\(aahl.3\)CPE matchmatch criteria
cpe:2.3:o:zyxel:gs1900-24_firmware:2.70\(aahl.3\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.7MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 43rd percentile among its peer group of 3,720 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

zyxel.com / global/en/support/security-advisories/zyxel-security-advisory-for-privilege-escalation-vulnerability-in-gs1900-series-switches
Vendor Advisory