The authentication token required to execute NSDP write requests on NETGEAR…
Priority LOW 39CWE-384Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-384.
Summary
The authentication token required to execute NSDP write requests on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices is not properly invalidated and can be reused until a new token is generated, which allows attackers (with access to network traffic) to effectively gain administrative privileges.
Why it matters now
EPSS 0.00751 55th 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
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:gs116e_firmware:2.6.0.43:*:*:*:*:*:*:* | 2.6.0.43 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:gs116e:v2:*:*:*:*:*:*:* | v2 | Running on | NETGEAR |
| cpe:2.3:o:netgear:jgs516pe_firmware:2.6.0.43:*:*:*:*:*:*:* | 2.6.0.43 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:jgs516pe:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:gs116e_firmware:2.6.0.43:*:*:*:*:*:*:* Versions 2.6.0.43 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:gs116e:v2:*:*:*:*:*:*:* Versions v2 Running on ·NETGEAR
- cpe:2.3:o:netgear:jgs516pe_firmware:2.6.0.43:*:*:*:*:*:*:* Versions 2.6.0.43 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:jgs516pe:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35229
- 2026-10-03 Alias added: GHSA-xcp9-f3w5-gqqw
References
More NETGEAR Gs116e Firmware vulnerabilities
- TI-2020-17908 The NSDP protocol implementation on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices was… CVSS 3.1HIGH 8.8
- TI-2020-18245 Certain NETGEAR devices are affected by incorrect configuration of security settings. CVSS 3.1HIGH 8.3
- TI-2020-18226 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1HIGH 8.1
- TI-2020-17900 The CSRF protection mechanism implemented in the web administration panel on NETGEAR… CVSS 3.1HIGH 8.8
- TI-2020-17899 The hashing algorithm implemented for NSDP password authentication on NETGEAR… CVSS 3.1HIGH 8.8
- TI-2020-17904 A buffer overflow vulnerability in the access control section on NETGEAR… CVSS 3.1HIGH 7.2
Sources
- CVE-2020-35229 · CVE Program
- CVE-2020-35229 · NVD
- FIRST EPSS
- GHSA-xcp9-f3w5-gqqw · GitHub Advisory Database · CC BY 4.0
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