CVE-2026-1949

CRITICAL

Published Apr 24, 2026 Modified May 11, 2026 CWE-131

Description

Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-131 CWE-131

Affected Products

Vendor	Product	Versions
deltaww	as320t_firmware	< 1.16
deltaww	as320t	All

References

Advisories & Patches

https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00006_AS320T%20Multiple%20vulnerabilities%20(CVE-2026-1949,%201950,%201951,%201952).pdf

Frequently Asked Questions

What is CVE-2026-1949? +

Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-1949? +

CVE-2026-1949 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-1949? +

CVE-2026-1949 affects products from deltaww, specifically: as320t, as320t_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-1949? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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