Buffer Overflow vulnerability found in Netgear R6900 v.1.0.2.26, R6700v3 v.1.0.4.128…
Priority MEDIUM 51CWE-120Published · 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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer Overflow vulnerability found in Netgear R6900 v.1.0.2.26, R6700v3 v.1.0.4.128, R6700 v.1.0.0.26 allows a remote attacker to execute arbitrary code and cause a denial ofservice via the getInputData parameter of the fwSchedule.cgi page.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01235 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:r6900_firmware:1.0.2.26:*:*:*:*:*:*:* | 1.0.2.26 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6700_firmware:1.0.0.26:*:*:*:*:*:*:* | 1.0.0.26 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:r6700_firmware:1.0.4.128:*:*:*:*:*:*:* | 1.0.4.128 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:* | v3 | Running on | NETGEAR |
- cpe:2.3:o:netgear:r6900_firmware:1.0.2.26:*:*:*:*:*:*:* Versions 1.0.2.26 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r6700_firmware:1.0.0.26:*:*:*:*:*:*:* Versions 1.0.0.26 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:r6700_firmware:1.0.4.128:*:*:*:*:*:*:* Versions 1.0.4.128 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-30280
- 2026-10-03 Alias added: GHSA-cpxf-jwx4-g38v
References
Advisory 1
Other 1
More NETGEAR R6700 Firmware vulnerabilities
- TI-2016-05377 NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before… KEVCVSS 3.1HIGH 8.8
- TI-2020-08805 Stack-based buffer overflow in NETGEAR R6700 CVSS 3.1HIGH 8.8
- TI-2020-08804 Authentication bypass in NETGEAR R6700 CVSS 3.1HIGH 8.8
- TI-2023-16567 Netgear D6220 with Firmware Version 1.0.0.80, D8500 with Firmware Version 1.0.3.60, R6700… CVSS 3.1HIGH 8.8
- TI-2022-10624 Buffer overflow in NETGEAR R6700v3 CVSS 3.1HIGH 8.8
- TI-2020-12311 Stack-based buffer overflow in NETGEAR Multiple Routers CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-30280 · CVE Program
- CVE-2023-30280 · NVD
- FIRST EPSS
- GHSA-cpxf-jwx4-g38v · 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