← Vulnerability feed

Vulnerability record · CVE-2026-5046 · published 29 March 2026

CVE-2026-5046: Tenda fh1201 firmware memory buffer overflow vulnerability

Tenda · Fh1201 Firmware

A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

7.4 CVSS 4.0 High EPSS 1.0% · top 38.4% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

References

LinkTags
https://github.com/Litengzheng/vul_db/blob/main/FH1201/vul_44/README.md ExploitThird Party Advisory
https://vuldb.com/submit/779127 Permissions RequiredVDB Entry
https://vuldb.com/vuln/353969 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/353969/cti Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

Track CVE-2026-5046 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2024-42947Tenda fh1201 firmware command injection vulnerabilityAn issue in the handler function in /goform/telnet of Tenda FH1201 v1.2.0.14 (408) allows attackers to execute arbitrary commands via a crafted HTTP …EPSS 0.98%8.0CVE-2024-44859Tenda fh1201 firmware stack-based buffer overflow vulnerabilityTenda FH1201 v1.2.0.14 has a stack buffer overflow vulnerability in `formWrlExtraGet`.EPSS 0.62%7.5CVE-2024-42946Tenda fh1201 firmware out-of-bounds write vulnerabilityTenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromVirtualSer function. This vulnerability all…EPSS 0.68%7.5CVE-2024-42948Tenda fh1201 firmware out-of-bounds write vulnerabilityTenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the delno parameter in the fromPptpUserSetting function. This vulnerabili…EPSS 11%7.5CVE-2024-42950Tenda fh1201 firmware out-of-bounds write vulnerabilityTenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the Go parameter in the fromSafeClientFilter function. This vulnerability…EPSS 0.55%7.5CVE-2024-42951Tenda fh1201 firmware out-of-bounds write vulnerabilityTenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the mit_pptpusrpw parameter in the fromWizardHandle function. This vulner…EPSS 0.55%7.5CVE-2024-42952Tenda fh1201 firmware out-of-bounds write vulnerabilityTenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromqossetting function. This vulnerability all…EPSS 0.57%7.5CVE-2024-42955Tenda fh1201 firmware out-of-bounds write vulnerabilityTenda FH1201 v1.2.0.14 (408) was discovered to contain a stack overflow via the page parameter in the fromSafeClientFilter function. This vulnerabili…EPSS 0.55%

Source: NIST National Vulnerability Database (record CVE-2026-5046), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.