CVE-2026-62657
Certificate validation vulnerability in NETGEAR Gaming Router and certain Nighthawk models
02 Description
Certificate validation vulnerability in NETGEAR Gaming Router and certain Nighthawk models
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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 4.1% of scored records. A rank, not a probability.
- NVD base score
- 4.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/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:X/R:X/V:X/RE:X/U:Amber
- NVD analysis status
- Deferred. NVD last modified this record on 2026-07-15.
- 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
- 2026-07-14 17:46Z3 MO AGO
- Last updated
- 2026-07-15 16:56Z3 MO AGO
- Reserved
- 2026-07-14
- Assigning CNA
- NETGEAR
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.9)
- CNA CVSS vector
- CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
- Weaknesses
- CWE-599Missing Validation of OpenSSL CertificateVariant
- Data version
- 5.2
- Document digest
- b0aee31156c4d0f7a6b7a4cf238d495788123efc37d71d9bf3f3e16af53a6e76
05 Affected products
06 References
- www.netgear.comhttps://www.netgear.com/support/product/mr70/
- www.netgear.comhttps://www.netgear.com/support/product/raxe500/
- www.netgear.comhttps://www.netgear.com/support/product/ms70/
- www.netgear.comhttps://www.netgear.com/support/product/xr1000/
- kb.netgear.comhttps://kb.netgear.com/000070859/July-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 VersionMR70 Nighthawk Mesh WiFi 6 Router V1.0.4.48 https://www.netgear.com/support/product/mr70/ MS70 Nighthawk Mesh WiFi 6 Add-on Satellite V1.0.4.48 https://www.netgear.com/support/product/ms70/ RAXE500 Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router V1.2.14.114 https://www.netgear.com/support/product/raxe500/ XR1000 Nighthawk WiFi 6 Pro Gaming Router V1.0.2.86 https://www.netgear.com/support/product/xr1000/