CVE-2026-1949
CVE-2026-1949 is a critical-severity vulnerability in Deltaww As320t Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-131.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25396
- Weakness: CWE-131
- Affected product: Deltaww As320t Firmware
- Published:
- Last modified:
Description
Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.
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.
- How severe is CVE-2026-1949?
- CVE-2026-1949 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-1949 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-1949?
- CVE-2026-1949 affects Deltaww As320t Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-1949?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-1949 have an EU (EUVD) identifier?
- Yes. CVE-2026-1949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25396.
- When was CVE-2026-1949 published?
- CVE-2026-1949 was published on 2026-04-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:deltaww:as320t_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Deltaww As320t Firmware
- CVE-2026-1952 — Critical (CVSS 9.8): Delta Electronics AS320T has denial of service via the undocumented subfunction vulnerability.
- CVE-2026-1951 — Critical (CVSS 9.8): Delta Electronics AS320T has no checking of the length of the buffer with the directory name vulnerability.
- CVE-2026-1950 — Critical (CVSS 9.8): Delta Electronics AS320T has No checking of the length of the buffer with the file name vulnerability.
All CVEs affecting Deltaww As320t Firmware →
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