Planet Briefing

First published · Last updated

CVE-2026-7273: Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability

A stack-based buffer overflow in the Zyxel GS1900 series CGI program could allow a LAN-based, unauthenticated attacker to execute OS commands via a crafted HTTP request. The source instructs applying vendor mitigations and following CISA's BOD 26-04 and forensics triage guidance.

Categories: technology

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
6/10
Geographic reach
3/10
Global importance
3/10
Impact magnitude
4/10
Positivity
2/10
Urgency
7/10

Why it matters

Potential unauthenticated command execution on network switches requires stakeholders to apply mitigations and follow CISA guidance.

Location

Sources

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