CVE-2026-0711: zyxel ax7501-b0_firmware OS Command Injection
CVSS: 6.8v3.1MediumAnalyzed
Published 28-04-2026Last modified 29-04-2026
Vulnerability summary
CVE-2026-0711 is a medium (CVSS 6.8) OS Command Injection vulnerability in zyxel ax7501-b0_firmware. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.4% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-04-2026PublishedVulnerability first disclosed.
- 29-04-2026Last modifiedVulnerability information updated.
Description
A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.8MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
0.00 pp
From 0.85% on 20-09-2026
20-09-202620-10-2026
EPSS score0.85%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Zyxel37 products
- ax7501-b0_firmware< 5.17\(abpc.7.2\)c0
- ax7501-b1_firmware< 5.17\(abpc.7.2\)c0
- dx3300-t0_firmware< 5.50\(abvy.7.2\)c0
- dx3300-t0 firmware≤ 5.50(ABVY.7.1)C0
- dx3300-t1_firmware< 5.50\(abvy.7.2\)c0
1 vendor · 37 products
References
1 links- www.zyxel.com/global/…Vendor Advisory