CVEvulnerability
CVE-2022-27641
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-03-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-190
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetUSB module. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15806.
Affected configurations
• netgear d7800 firmware (< 1.0.1.68)
• netgear ex6200 firmware (< 1.0.1.90)
• netgear ex8000 firmware (< 1.0.1.240)
• netgear r6220 firmware (< 1.1.0.112)
• netgear r6230 firmware (< 1.1.0.112)
• netgear r6400 firmware (< 1.0.4.122)
• netgear r6700 firmware (< 1.0.4.122)
• netgear r7000 firmware (< 1.0.11.130)
• netgear r7800 firmware (< 1.0.2.90)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-544/ Third Party Advisory, VDB Entry
- https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-544/ Third Party Advisory, VDB Entry