Out-of-bounds read in Weston Embedded uC-FTPs
Priority HIGH 66CWE-823Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no IP address argument is provided to the `PORT` command.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0148 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Weston Embedded | uC-FTPs | v 1.98.00 | — | No fix listed | CNA |
- uC-FTPs VendorWeston Embedded Affected v 1.98.00 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:weston-embedded:uc-ftps:1.98.00:*:*:*:*:*:*:* | 1.98.00 | Vulnerable | Weston Embedded |
- cpe:2.3:a:weston-embedded:uc-ftps:1.98.00:*:*:*:*:*:*:* Versions 1.98.00 Vulnerable ·Weston Embedded
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-46377
- 2026-10-03 Alias added: GHSA-gr3f-rpff-fc97
References
More Weston Embedded Uc-ftps vulnerabilities
- TI-2022-20325 Improper authentication in Weston Embedded uC-FTPs CVSS 3.1HIGH 8.6
- TI-2022-22917 Out-of-bounds read in Weston Embedded uC-FTPs CVSS 3.1HIGH 7.5
Sources
- CVE-2022-46377 · CVE Program
- CVE-2022-46377 · NVD
- FIRST EPSS
- GHSA-gr3f-rpff-fc97 · GitHub Advisory Database · CC BY 4.0
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