Medium severity · published May 4, 2026
CVE-2026-7721
Totolink WA300 cstecgi.cgi NTPSyncWithHost command injection
6.3
CVSS
1%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Totolink WA300 5.2cu.7112_B20190227. This affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument hostTime leads to command injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WA300 · Totolink
5.2cu.7112_B20190227 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7721
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7721
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-NTPSyncWithHost-34553a41781f80808f3cfd14e1c603e7
vuldb.com
https://vuldb.com/submit/807199
vuldb.com
https://vuldb.com/vuln/360897
vuldb.com
https://vuldb.com/vuln/360897/cti
www.totolink.net
https://www.totolink.net/
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