CVE-2026-1951 | No checking of the length of the buffer with the directory name in AS320T

Delta Electronics AS320T has no checking of the length of the buffer with the directory name vulnerability.

Published: 2026-04-24 Last update: 2026-05-11 Assigner: 759f5e80-c8e1-4224-bead-956d7b33c98b Source: 759f5e80-c8e1-4224-bead-956d7b33c98b

Conclusion & alert: CVE-2026-1951 is rated Moderate Risk (55.3/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.61%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-1951

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.01% 0.61% +0.60%
2 2026-04-24 0.01%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-1951

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 759f5e80-c8e1-4224-bead-956d7b33c98b

Weakness enumeration for CVE-2026-1951

GitHub Security Advisory for CVE-2026-1951

GHSA-cc2v-9v42-3c8q · Severity: critical — Delta Electronics AS320T has no checking of the length of the buffer with the directory name ...

Affected software / configurations for CVE-2026-1951

Vendor Product Version Raw CPE
deltaww as320t_firmware < 1.12 cpe:2.3:o:deltaww:as320t_firmware:*:*:*:*:*:*:*:*

References for CVE-2026-1951

cvelogic Threat Intelligence