Cyber Resilience

CVE-2021-40866

CriticalPublic PoC

Published: 13 September 2021

Published
13 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0143 81.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-40866 is a critical-severity an unspecified weakness vulnerability in Netgear Gc108P Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 18.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Certain NETGEAR smart switches are affected by a remote admin password change by an unauthenticated attacker via the (disabled by default) /sqfs/bin/sccd daemon, which fails to check authentication when the authentication TLV is missing from a received NSDP packet. This…

more

affects GC108P before 1.0.8.2, GC108PP before 1.0.8.2, GS108Tv3 before 7.0.7.2, GS110TPP before 7.0.7.2, GS110TPv3 before 7.0.7.2, GS110TUP before 1.0.5.3, GS308T before 1.0.3.2, GS310TP before 1.0.3.2, GS710TUP before 1.0.5.3, GS716TP before 1.0.4.2, GS716TPP before 1.0.4.2, GS724TPP before 2.0.6.3, GS724TPv2 before 2.0.6.3, GS728TPPv2 before 6.0.8.2, GS728TPv2 before 6.0.8.2, GS750E before 1.0.1.10, GS752TPP before 6.0.8.2, GS752TPv2 before 6.0.8.2, MS510TXM before 1.0.4.2, and MS510TXUP before 1.0.4.2.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
gc108p firmware
≤ 1.0.8.2
netgear
gc108pp firmware
≤ 1.0.8.2
netgear
gs108t firmware
≤ 7.0.7.2
netgear
gs110tpp firmware
≤ 7.0.7.2
netgear
gs110tp firmware
≤ 7.0.7.2
netgear
gs110tup firmware
≤ 1.0.5.3
netgear
gs308t firmware
≤ 1.0.3.2
netgear
gs310tp firmware
≤ 1.0.3.2
netgear
gs710tup firmware
≤ 1.0.5.3
netgear
gs716tp firmware
≤ 1.0.4.2
+10 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References