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Vulnerability record · CVE-2022-40851 · published 23 September 2022

CVE-2022-40851: Tenda ac15 firmware out-of-bounds write vulnerability

Tenda · Ac15 Firmware

Tenda AC15 V15.03.05.19 contained a stack overflow via the function fromAddressNat.

9.8 CVSS 3.1 Critical EPSS 9.7% · top 4.7% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
9.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tenda AC15 V15.03.05.19 contained a stack overflow via the function fromAddressNat.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC15/addressNat.md ExploitThird Party Advisory
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC15/addressNat.md ExploitThird Party Advisory

Track CVE-2022-40851 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-10987Tenda AC15 router command injection in goform/setUsbUnloadThe goform/setUsbUnload endpoint of Tenda AC15 AC1900 firmware 15.03.05.19 passes the deviceName POST parameter to a system command without sanitizat…KEVEPSS 80%analysed9.8CVE-2026-24103Tenda ac15 firmware classic buffer overflow vulnerabilityA buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.EPSS 0.43%9.8CVE-2026-24105Tenda ac15 firmware code injection vulnerabilityAn issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. The value of `v1` was not checked, potentially leading to a …EPSS 1.7%9.8CVE-2026-24101Tenda ac15 firmware os command injection vulnerabilityAn issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. When the condition is met, `s1_1` will be passed into sub_B0488, …EPSS 1.7%9.8CVE-2025-63666Tenda ac15 firmware improper access control vulnerabilityTenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suf…EPSS 0.47%9.8CVE-2025-29462Tenda ac15 firmware classic buffer overflow vulnerabilityA buffer overflow vulnerability has been discovered in Tenda Ac15 V15.13.07.13. The vulnerability occurs when the webCgiGetUploadFile function calls …EPSS 0.55%9.8CVE-2025-25632Tenda ac15 firmware command injection vulnerabilityTenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet.EPSS 1.7%9.8CVE-2023-36103Tenda ac15 firmware command injection vulnerabilityCommand Injection vulnerability in goform/SetIPTVCfg interface of Tenda AC15 V15.03.05.20 allows remote attackers to run arbitrary commands via craft…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2022-40851), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.