CVE-2021-33514

high-risk
Published 2021-05-21

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker via the vulnerable /sqfs/lib/libsal.so.0.0 library used by a CGI application, as demonstrated by setup.cgi?token=';$HTTP_USER_AGENT;' with an OS command in the User-Agent field. This affects GC108P before 1.0.7.3, GC108PP before 1.0.7.3, GS108Tv3 before 7.0.6.3, GS110TPPv1 before 7.0.6.3, GS110TPv3 before 7.0.6.3, GS110TUPv1 before 1.0.4.3, GS710TUPv1 before 1.0.4.3, GS716TP before 1.0.2.3, GS716TPP before 1.0.2.3, GS724TPPv1 before 2.0.4.3, GS724TPv2 before 2.0.4.3, GS728TPPv2 before 6.0.6.3, GS728TPv2 before 6.0.6.3, GS752TPPv1 before 6.0.6.3, GS752TPv2 before 6.0.6.3, MS510TXM before 1.0.2.3, and MS510TXUP before 1.0.2.3.

Do I need to act?

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24.2% chance of exploitation in next 30 days
EPSS score — higher than 76% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (17)

Gc108P Firmware
Gc108Pp Firmware
Gs108T Firmware
Gs110Tpp Firmware
Gs110Tp Firmware
Gs110Tup Firmware
Gs710Tup Firmware
Gs716Tp Firmware
Gs716Tpp Firmware
Gs724Tpp Firmware
Gs724Tp Firmware
Gs728Tpp Firmware
Gs728Tp Firmware
Gs752Tpp Firmware
Gs752Tp Firmware
Ms510Txm Firmware
Ms510Txup Firmware

Affected Vendors

61
/ 100
high-risk
Severity 27/34 · High
Exploitability 15/34 · Moderate
Exposure 19/34 · Moderate