CVE-2026-11738
Insufficient input validation in certain NETGEAR Nighthawk routers allows administrators to tamper with the device.
02 Description
Insufficient input validation in certain NETGEAR Nighthawk routers allows administrators to tamper with the device.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.2% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:L/U:Amber
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-11 15:06Z2 MO AGO
- Last updated
- 2026-08-12 07:41Z2 MO AGO
- Reserved
- 2026-06-09
- Assigning CNA
- NETGEAR
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.3)
- CNA CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.2
- Document digest
- 5383d17d3d5b767a9378d8c6c35dd07df6d6dbeed6d1710540bd48cbcdab752f
05 Affected products
06 References
- www.netgear.comhttps://www.netgear.com/support/product/r7000/
- www.netgear.comhttps://www.netgear.com/support/product/rs700/
- www.netgear.comhttps://www.netgear.com/support/product/raxe500/
- kb.netgear.comhttps://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory
07 Remediation
Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in: ProductFixed VersionR7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit RouterEOSRAXE500 Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router V1.2.14.114 https://www.netgear.com/support/product/raxe500/ RS700 Nighthawk BE19000 WiFi 7 Tri-Band Router V1.0.7.66 https://www.netgear.com/support/product/rs700/ Models marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.