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Vulnerability record · CVE-2025-70753 · published 13 January 2026

CVE-2025-70753: Tenda ax1806 firmware out-of-bounds write vulnerability

Tenda · Ax1806 Firmware

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security_5g parameter of the sub_4CA50 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

7.5 CVSS 3.1 High EPSS 0.45% · top 63.7% CWE-787 · Out-of-bounds writeCWE-121 · Stack-based buffer overflow
7.5CVSS 3.1 base score
0.45%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 AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security_5g parameter of the sub_4CA50 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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

Affected products

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

References

LinkTags
https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/8/1.md ExploitThird Party Advisory
https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/8/1.md ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2024-44549Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function formGetIptv.EPSS 0.38%9.8CVE-2024-44550Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formGetIptv.EPSS 0.63%9.8CVE-2024-44551Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formGetIptv.EPSS 0.63%9.8CVE-2024-44552Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function formGetIptv.EPSS 0.38%9.8CVE-2024-44553Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formGetIptv.EPSS 0.63%9.8CVE-2024-44555Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.EPSS 0.73%9.8CVE-2024-44557Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function setIptvInfo.EPSS 0.61%9.8CVE-2024-44556Tenda ax1806 firmware out-of-bounds write vulnerabilityTenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function setIptvInfo.EPSS 0.38%

Source: NIST National Vulnerability Database (record CVE-2025-70753), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.