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TI-2022-18361 Aliases CVE-2022-38955GHSA-m2rw-gwp5-6wqw

An exploitable firmware modification vulnerability was discovered on the Netgear…

Priority LOW 35CWE-354Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00354 29th 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
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:netgear:wpn824ext_firmware:1.1.1_1.1.9:*:*:*:*:*:*:*1.1.1_1.1.9VulnerableNETGEAR
cpe:2.3:h:netgear:wpn824ext:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:wpn824ext_firmware:1.1.1_1.1.9:*:*:*:*:*:*:* Versions 1.1.1_1.1.9 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:wpn824ext:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-38955
  2. 2026-10-03 Alias added: GHSA-m2rw-gwp5-6wqw

References

  • TI-2022-18362 An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT… CVSS 3.1MEDIUM 5.3

Sources