SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8963

TimeTools SC7105 1.0.007, SC9205 1.0.007, SC9705 1.0.007, SR7110 1.0.007, SR9210 1.0.007, SR9750 1.0.007, SR9850 1.0.007, T100 1.0.003, T300 1.0.003, and T550 1.0.003 devices allow remote attackers to execute arbitrary OS commands via shell…

CRITICAL 9.8EPSS 2.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

TimeTools SC7105 1.0.007, SC9205 1.0.007, SC9705 1.0.007, SR7110 1.0.007, SR9210 1.0.007, SR9750 1.0.007, SR9850 1.0.007, T100 1.0.003, T300 1.0.003, and T550 1.0.003 devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in the t3.cgi srmodel or srtime parameter.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.68% probability · 86th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
timetoolsltd/sr9850 firmware · timetoolsltd/sr9750 firmware · timetoolsltd/sc9705 firmware · timetoolsltd/sr9210 firmware · timetoolsltd/sc9205 firmware · timetoolsltd/sr7110 firmware · timetoolsltd/sc7105 firmware · timetoolsltd/t100 firmware · timetoolsltd/t300 firmware · timetoolsltd/t550 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.68%26 October 202626 October 2026

EPSS 2.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.