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The vulnerability of the sscanf() function in Tenda AC21 router software allows a hacker to execute arbitrary code.

🗓️ 03 Oct 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

This sscanf vulnerability in Tenda AC21 router enables remote code execution via unchecked input data.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-11091
28 Sep 202503:03
circl
CNNVD
Tenda AC21 安全漏洞
28 Sep 202500:00
cnnvd
CVE
CVE-2025-11091
28 Sep 202501:32
cve
Cvelist
CVE-2025-11091 Tenda AC21 SetStaticRouteCfg sscanf buffer overflow
28 Sep 202501:32
cvelist
EUVD
EUVD-2025-31447
3 Oct 202520:07
euvd
NVD
CVE-2025-11091
28 Sep 202502:15
nvd
OSV
CVE-2025-11091
28 Sep 202502:15
osv
Positive Technologies
PT-2025-39754
27 Sep 202500:00
ptsecurity
RedhatCVE
CVE-2025-11091
29 Sep 202502:50
redhatcve
Vulnrichment
CVE-2025-11091 Tenda AC21 SetStaticRouteCfg sscanf buffer overflow
28 Sep 202501:32
vulnrichment
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03 Oct 2025 00:00Current
CVSS 38.8
CVSS 29
EPSS0.00678
1