The webupgrade function on the Cohu 3960HD does not verify the firmware upgrade files or…
Priority MEDIUM 45CWE-434Published · 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
The webupgrade function on the Cohu 3960HD does not verify the firmware upgrade files or process, allowing an attacker to upload a specially crafted postinstall.sh file that will be executed with "root" privileges.
Why it matters now
EPSS 0.01483 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-8862
- 2026-10-03 Alias added: GHSA-r534-2r4v-gfqv
References
More Cohuhd 3960hd Firmware vulnerabilities
- TI-2017-06372 Client-side enforcement using JavaScript of server-side security options on the Cohu… CVSS 3.0CRITICAL 9.8
- TI-2017-06369 Missing authentication for the remote configuration port 1236/tcp on the Cohu 3960HD… CVSS 3.0CRITICAL 9.8
- TI-2017-06371 Information disclosure of .esp source code on the Cohu 3960 allows an attacker to view… CVSS 3.0HIGH 7.5
- TI-2017-06368 Information disclosure through directory listing on the Cohu 3960HD allows an attacker to… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2017-8862 · CVE Program
- CVE-2017-8862 · NVD
- FIRST EPSS
- GHSA-r534-2r4v-gfqv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences