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The vulnerability of the setScheduleCfg() function in the cgi-bin/cstecgi.cgi script of the TOTOLINK A3300R router’s microprogramming software allows a intruder to trigger a service failure.

🗓️ 28 Oct 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Buffer overflow in setScheduleCfg() of Totolink A3300R cstecgi.cgi can escape memory buffer and cause service failure.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-12259
27 Oct 202511:14
circl
CNNVD
TOTOLINK A3300R 安全漏洞
27 Oct 202500:00
cnnvd
CNVD
TOTOLINK A3300R setScheduleCfg function stack buffer overflow vulnerability
31 Oct 202500:00
cnvd
CVE
CVE-2025-12259
27 Oct 202510:02
cve
Cvelist
CVE-2025-12259 TOTOLINK A3300R POST Parameter cstecgi.cgi setScheduleCfg stack-based overflow
27 Oct 202510:02
cvelist
EUVD
EUVD-2025-36155
27 Oct 202510:02
euvd
NVD
CVE-2025-12259
27 Oct 202510:15
nvd
OSV
CVE-2025-12259
27 Oct 202510:15
osv
Positive Technologies
PT-2025-43920
27 Oct 202500:00
ptsecurity
RedhatCVE
CVE-2025-12259
28 Oct 202510:52
redhatcve
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Vulners
Node
totolinka3300rMatch17.0.0cu.557_b20221024

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28 Oct 2025 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 38.8
CVSS 29
EPSS0.0093
1