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CVE-2026-7273
CWE-121
Critical
90.7
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
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.
Source: NVD
Signals
- CVSS
- 8.8
- High · v3.1
- EPSS
- 2.50%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Sept 2026
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-121
- Published
- 16 Jun 2026
- Last modified 22 Sept 2026
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
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Data as of 7 Oct 2026, 05:16 UK time