CVE-2023-0782— Tenda AC23 httpd formGetSysToolDDNS out-of-bounds write
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2023-0782
Vulnerability Information
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Vulnerability Title
Tenda AC23 httpd formGetSysToolDDNS out-of-bounds write
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220640.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC23 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC23是中国腾达（Tenda）公司的一款双频千兆无线路由器。 Tenda AC23 16.03.07.45版本存在缓冲区错误漏洞，该漏洞源于存在越界写入问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-0782
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Vendor Advisories for CVE-2023-0782 (2)
Other References for CVE-2023-0782 (1)
IV. Related Vulnerabilities
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Tenda AC23 SetIpMacBind fromSetIpMacBind stack-based overflo - CVE-2025-12596
Tenda AC23 saveParentControlInfo buffer overflow
Same vendor: Tenda
- CVE-2026-19924
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Tenda W20E addIpMacBind ipMacBindListStore stack-based overf - CVE-2026-19823
Tenda W20E QoS Rule Deletion delQos formQOSRuleDel stack-bas - CVE-2026-19822
Tenda W20E QoS Edit editQos lstAdd stack-based overflow - CVE-2026-19821
Tenda AC12 httpd web management interface SetSysAutoRebbotCf
Same weakness: CWE-787
- CVE-2026-12520
Stack buffer overflow and off-by-one writes in Zephyr HL7800 - CVE-2026-67271
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HP Web Jetadmin (WJA) - Potential Arbitrary File Read/Write - CVE-2026-12519
Out-of-bounds stack read and write in Zephyr WNC-M14A2A mode - CVE-2026-12363
Out-of-bounds write in LoRaWAN fragmented transport from a f
V. Comments for CVE-2023-0782
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