Home/CVE/A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and ea
CVE

CVE-2024-8882

A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and ea

A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause denial of service (DoS) conditions via a crafted URL.

MEDIUM · CVSS 4.5 EPSS 0.00095
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

10
zyxel gs1900-8 firmware< 2.90\(aahh.0\)c0
zyxel gs1900-8hp firmware< 2.90\(aahi.0\)c0
zyxel gs1900-10hp firmware< 2.90\(aazi.0\)c0
zyxel gs1900-16 firmware< 2.90\(aahj.0\)c0
zyxel gs1900-24 firmware< 2.90\(aahl.0\)c0
zyxel gs1900-24e firmware< 2.90\(aahk.0\)c0
zyxel gs1900-24ep firmware< 2.90\(abto.0\)c0
zyxel gs1900-24hpv2 firmware< 2.90\(abtp.0\)c0
▣

Scoring & Timeline

4.5
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 NVD12 Nov 2024 · 02:15 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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.
🔗

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-post-authentication-command-injection-and-buffer-overflow-vulnerabilities-in-gs1900-series-switches-11-12-2024Vendor Advisory
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