NULL pointer dereference in NETGEAR N300 WNR2000v5
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-476.
Summary
An exploitable denial-of-service vulnerability exists in the session handling functionality of the NETGEAR N300 (WNR2000v5 with Firmware Version V1.0.0.70) HTTP server. An HTTP request with an empty User-Agent string sent to a page requiring authentication can cause a null pointer dereference, resulting in the HTTP service crashing. An unauthenticated attacker can send a specially crafted HTTP request to trigger this vulnerability.
Why it matters now
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 |
|---|---|---|---|---|---|
| NETGEAR | N300 WNR2000v5 | Firmware Version V1.0.0.70 | — | No fix listed | CNA |
- N300 WNR2000v5 VendorNETGEAR Affected Firmware Version V1.0.0.70 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-5054
- 2026-10-03 Alias added: GHSA-3fq7-8gqg-m2m9
References
More NETGEAR Wnr2000 Firmware vulnerabilities
- TI-2017-04600 Buffer overflow in NETGEAR All versions prior to WNR2000v3 1.1.2.14, WNR2000v4 1.0.0.66… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-27381 A Command Injection vulnerability exists in NETGEAR WNR2000v4 version 1.0.0.70. CVSS 3.1CRITICAL 9.8
- TI-2018-15115 Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2017-13916 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1HIGH 8.8
- TI-2017-13914 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1HIGH 8.8
- TI-2017-13892 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1HIGH 8.8
Sources
- CVE-2019-5054 · CVE Program
- CVE-2019-5054 · NVD
- FIRST EPSS
- GHSA-3fq7-8gqg-m2m9 · GitHub Advisory Database · CC BY 4.0
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