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Vulnerability record · CVE-2023-38935 · published 7 August 2023

CVE-2023-38935: Tenda ac1206 firmware out-of-bounds write vulnerability

Tenda · Ac1206 Firmware

Tenda AC1206 V15.03.06.23, AC8 V4 V16.03.34.06, AC5 V1.0 V15.03.06.28, AC10 v4.0 V16.03.10.13 and AC9 V3.0 V15.03.06.42_multi were discovered to contain a tack overflow via the list parameter in the formSetQosBand function.

9.8 CVSS 3.1 Critical EPSS 0.85% · top 43.5% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tenda AC1206 V15.03.06.23, AC8 V4 V16.03.34.06, AC5 V1.0 V15.03.06.28, AC10 v4.0 V16.03.10.13 and AC9 V3.0 V15.03.06.42_multi were discovered to contain a tack overflow via the list parameter in the formSetQosBand function.

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

Affected products

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

References

LinkTags
https://github.com/FirmRec/IoT-Vulns/blob/main/tenda/formSetQosBand/README.md ExploitThird Party Advisory
https://github.com/FirmRec/IoT-Vulns/blob/main/tenda/formSetQosBand/README.md ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2018-14558Tenda AC7, AC9 and AC10 routers command injection via setUsbUnloadTenda AC7, AC9 and AC10 router firmware contains an OS command injection flaw in the formsetUsbUnload function, which passes untrusted input from a c…KEVEPSS 8.7%analysed9.8CVE-2025-67073Tenda ac10 firmware classic buffer overflow vulnerabilityA Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial o…EPSS 0.69%9.8CVE-2025-45779Tenda ac10 firmware classic buffer overflow vulnerabilityTenda AC10 V1.0re_V15.03.06.46 is vulnerable to Buffer Overflow in the formSetPPTPUserList handler via the list POST parameter.EPSS 6.5%9.8CVE-2025-45042Tenda ac9 firmware command injection vulnerabilityTenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function.EPSS 1.6%9.8CVE-2025-44872Tenda ac9 firmware command injection vulnerabilityTenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formsetUsbUnload function via the deviceName parameter. Th…EPSS 1.8%9.8CVE-2025-44877Tenda ac9 firmware command injection vulnerabilityTenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function via the usbname parameter. This …EPSS 1.8%9.8CVE-2025-45429Tenda ac9 firmware stack-based buffer overflow vulnerabilityIn the Tenda ac9 v1.0 router with firmware V15.03.05.14_multi, there is a stack overflow vulnerability in /goform/WifiWpsStart, which may lead to rem…EPSS 1.1%9.8CVE-2025-45427Tenda ac9 firmware stack-based buffer overflow vulnerabilityIn Tenda AC9 v1.0 with firmware V15.03.05.14_multi, the security parameter of /goform/WifiBasicSet has a stack overflow vulnerability, which can lead…EPSS 0.92%

Source: NIST National Vulnerability Database (record CVE-2023-38935), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.