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Vulnerabilities in DrayTek VigorSwitch

🗓️ 26 Aug 2026 09:03:54Reported by NCSCType 
ncsc
 ncsc🔗 advisories.ncsc.nl👁 1 Views

DrayTek VigorSwitch command injection and buffer overflow allow root code execution and DoS.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-71921
24 Aug 202618:40
–circl
circl
Circl		CVE-2026-71933
24 Aug 202618:50
–circl
cve
CVE		CVE-2026-71915
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71916
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71917
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71918
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71919
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71920
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71921
24 Aug 202617:07
–cve
cve
CVE		CVE-2026-71922
24 Aug 202617:07
–cve
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SourceLink
draytekwww.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-acl-general-setup-add-ace
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-acl-general-setup-edit-ace
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-diag-logmail
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-mail-mailalert
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-pingtrace
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-poe-schedule-profile
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-switch-lan-gvrp
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-sysreboot
vulncheckwww.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-webbackupaction
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26 Aug 2026 09:03Current
6.8Medium risk
Vulners AI Score6.8
CVSS 49.3
CVSS 3.19.8
EPSS0.03248
SSVC
DrayTek VigorSwitchCommand injectionBuffer overflowRoot privilegesPre-authenticationDenial of service
1