CVE-2026-1951: deltaww as320t_firmware Stack-based Buffer Overflow
CVSS: 9.8v3.1CriticalAnalyzed
Published 24-04-2026Last modified 24-04-2026
Vulnerability summary
CVE-2026-1951 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in deltaww as320t_firmware. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.61%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-04-2026PublishedVulnerability first disclosed.
- 24-04-2026Last modifiedVulnerability information updated.
Description
Delta Electronics AS320T has no checking of the length of the buffer with the directory name vulnerability.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 21-09-2026
21-09-202621-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Deltaww1 product
- as320t_firmware≤ 1.10 | < 1.12
1 vendor · 1 product
References
1 links- filecenter.deltaww.com/news/…Vendor Advisory