Home/CVE/The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could al
CVE

CVE-2023-35140

The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could al

The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device.

MEDIUM · CVSS 5.5 EPSS 0.00059
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
▤

Affected Products & Versions

10
zyxel gs1900-48hpv2 firmware<= 2.70\(abtq.5\)
zyxel gs1900-48 firmware<= 2.70\(aahn.5\)
zyxel gs1900-24hpv2 firmware<= 2.70\(abtp.5\)
zyxel gs1900-24ep firmware<= 2.70\(abto.5\)
zyxel gs1900-24e firmware<= 2.70\(aahk.5\)
zyxel gs1900-24 firmware<= 2.70\(aahl.5\)
zyxel gs1900-16 firmware<= 2.70\(aahj.5\)
zyxel gs1900-10hp firmware<= 2.70\(aazi.5\)
▣

Scoring & Timeline

5.5
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 NVD07 Nov 2023 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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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-improper-privilege-management-vulnerability-in-gs1900-series-switchesNot ApplicableVendor Advisory
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