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Tenda AC21 Buffer Overflow Vulnerability (CNVD-2025-30948)

🗓️ 25 Sep 2025 00:00:00Reported by China National Vulnerability DatabaseType 
cnvd
 cnvd
🔗 www.cnvd.org.cn👁 5 Views

Tenda AC21 buffer overflow in WifiExtraSet from wpapsk_crypto length check enables code execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC
The vulnerability of the strcpy() function in Tenda AC21 router software allows a hacker to execute arbitrary code.
24 Sep 202500:00
bdu_fstec
CNNVD
Tenda AC21 安全漏洞
23 Sep 202500:00
cnnvd
CVE
CVE-2025-10838
23 Sep 202504:32
cve
Cvelist
CVE-2025-10838 Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow
23 Sep 202504:32
cvelist
EUVD
EUVD-2025-30827
3 Oct 202520:07
euvd
NVD
CVE-2025-10838
23 Sep 202505:15
nvd
OSV
CVE-2025-10838
23 Sep 202505:15
osv
Positive Technologies
PT-2025-39115
23 Sep 202500:00
ptsecurity
RedhatCVE
CVE-2025-10838
25 Sep 202502:53
redhatcve
Vulnrichment
CVE-2025-10838 Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow
23 Sep 202504:32
vulnrichment
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Vulners
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tendaac21Match16.03.08.16

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18 Dec 2025 00:00Current
8.3High risk
Vulners AI Score8.3
CVSS 48.7
CVSS 3.18.8
CVSS 29
CVSS 38.8
EPSS0.00952
SSVC
5