Incorrect calculation of buffer size on the stack in AS320T
Priority MEDIUM 50CWE-131Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-131 and the CVSS impact.
Summary
Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00611 49th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| deltaww | AS320T | up to 1.14 | — | No fix listed | CNA |
- AS320T Vendordeltaww Affected up to 1.14 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1949
- 2026-10-03 Alias added: GHSA-9rv5-7gpw-9g55
References
More deltaww As320t Firmware vulnerabilities
- TI-2026-01614 No checking of the length of the buffer with the directory name in AS320T CVSS 3.1CRITICAL 9.8
- TI-2026-01615 Denial of service via the undocumented subfunction in AS320T CVSS 3.1CRITICAL 9.8
- TI-2026-01613 No checking of the length of the buffer with the file name in AS320T CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-1949 · CVE Program
- CVE-2026-1949 · NVD
- FIRST EPSS
- GHSA-9rv5-7gpw-9g55 · GitHub Advisory Database · CC BY 4.0
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