Read the docs
TI-2020-12311 Aliases CVE-2020-15636GHSA-4789-cr7h-xx57

Stack-based buffer overflow in NETGEAR Multiple Routers

Priority MEDIUM 53CWE-121Published · 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 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and XR300 routers with firmware 1.0.4.84_10.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the check_ra service. A crafted raePolicyVersion in a RAE_Policy.json file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9852.

Why it matters now

EPSS 0.08536 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
NETGEARMultiple Routers1.0.4.84_10.0.58—No fix listedCNA
  • Multiple Routers VendorNETGEAR Affected 1.0.4.84_10.0.58 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*before 1.0.4.98VulnerableNETGEAR
cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:*v3Running onNETGEAR
  • cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4.98 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:* Versions v3 Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15636
  2. 2026-10-03 Alias added: GHSA-4789-cr7h-xx57
  3. 2026-10-18 EPSS moved to the 95th–99th percentile

References

Advisory 2

  • 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-2023-14205 Buffer Overflow vulnerability found in Netgear R6900 v.1.0.2.26, R6700v3 v.1.0.4.128… CVSS 3.1CRITICAL 9.8
See all 172 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences