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CVE-2026-7273

En bref

Sévérité
HIGH 8.8
Exploitation
Exploitation connue (CISA KEV) · ajoutée le 2026-09-21
Exploitée selon l'ENISA depuis le 2026-09-21
EPSS
EPSS 2.78 % · centile 86 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Zyxel
Statut NVD
Analyzed

Description

A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HZyxel
CVSS 3.1HIGH 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · security@zyxel.com.tw (Secondary)

Faiblesses (CWE)

Références européennes

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Zyxel · GS1900-48HPv2 firmwareaffected <= 2.90(ABTQ.1)C0
Zyxel · GS1900-8 firmwareaffected <= 2.90(AAHH.1)C0
Zyxel · GS1900-8HP firmwareaffected <= 2.90(AAHI.1)C0
Zyxel · GS1900-10HP firmwareaffected <= 2.90(AAZI.1)C0
Zyxel · GS1900-16 firmwareaffected <= 2.90(AAHJ.1)C0
Zyxel · GS1900-24 firmwareaffected <= 2.90(AAHL.1)C0
Zyxel · GS1900-24E firmwareaffected <= 2.90(AAHK.1)C0
Zyxel · GS1900-24EP firmwareaffected <= 2.90(ABTO.1)C0
Zyxel · GS1900-24HPv2 firmwareaffected <= 2.90(ABTP.1)C0
Zyxel · GS1900-48 firmwareaffected <= 2.90(AAHN.1)C0

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD