Netgear JWNR2000v2 check_language_file buffer overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A vulnerability classified as critical has been found in Netgear JWNR2000v2 1.0.0.11. Affected is the function check_language_file. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| NETGEAR | JWNR2000v2 | 1.0.0.11 | — | No fix listed | CNA |
- JWNR2000v2 VendorNETGEAR Affected 1.0.0.11 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4114
- 2026-10-03 Alias added: GHSA-jvjx-8r65-mrp9
References
More NETGEAR Jwnr2000 Firmware vulnerabilities
- TI-2025-03655 Netgear JWNR2000v2 get_cur_lang_ver buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-03654 Netgear JWNR2000v2 default_version_is_new buffer overflow CVSS 4.0HIGH 8.7
- TI-2016-09094 Certain NETGEAR devices are affected by password exposure. CVSS 3.1HIGH 7.5
- TI-2016-09092 Certain NETGEAR devices are affected by mishandling of repeated URL calls. CVSS 3.1HIGH 7.5
- TI-2025-03656 Netgear JWNR2000v2 sub_41A914 buffer overflow CVSS 4.0MEDIUM 5.1
Sources
- CVE-2025-4114 · CVE Program
- CVE-2025-4114 · NVD
- FIRST EPSS
- GHSA-jvjx-8r65-mrp9 · GitHub Advisory Database · CC BY 4.0
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