CVE-2026-4554 | Tenda F453 1.0.0.3 /goform/WriteFacMac FormWriteFacMac mac command injection

VDB-352381 · CVE-2026-4554 · GCVE-100-352381 TENDA F453 1.0.0.3 /GOFORM/WRITEFACMAC FORMWRITEFACMAC MAC COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.7 $0-$5k 1.52+ Summaryinfo A vulnerability, which was classified as critical, has been found in Tenda F453 1.0.0.3. The impacted element is the function FormWriteFacMac of the file /goform/WriteFacMac. This manipulation of the argument mac causes command injection. This vulnerability is handled as CVE-2026-4554. The attack can be initiated remotely. Additionally, an exploit exists. Detailsinfo A vulnerability has been found in Tenda F453 1.0.0.3 and classified as critical. Affected by this vulnerability is the function FormWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared at github.com. This vulnerability is known as CVE-2026-4554. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue. It is possible to download the exploit at github.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Router Operating System Vendor Tenda Name F453 Version 1.0.0.3 License commercial Website Vendor: https://www.tenda.com.cn/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 5.7 VulDB Base Score: 6.3 VulDB Temp Score: 5.7 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Command injection CWE: CWE-77 / CWE-74 / CWE-707 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Vendor: tenda.com.cn Advisory: github.com Status: Not defined CVE: CVE-2026-4554 (🔒) GCVE (CVE): GCVE-0-2026-4554 GCVE (VulDB): GCVE-100-352381 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/21/2026 18:02 Changes: 03/21/2026 18:02 (57) Complete: 🔍 Submitter: LtzHust Cache ID: 99:C04:101 Submitinfo Accepted Submit #774933: Tenda F453 v1.0.0.3 Command Injection (by LtzHust) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸