High severity8.8NVD Advisory· Published Mar 29, 2026· Updated Jun 17, 2026
CVE-2026-5021
CVE-2026-5021
Description
A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. This manipulation of the argument delno causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*range: 1.0.0.3
- cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/Litengzheng/vul_db/blob/main/F453/vul_92/README.mdnvdExploitThird Party Advisory
- vuldb.com/submit/778415nvdThird Party AdvisoryVDB Entry
- vuldb.com/vuln/353906nvdThird Party AdvisoryVDB Entry
- vuldb.com/vuln/353906/ctinvdPermissions RequiredVDB Entry
- www.tenda.com.cnnvdProduct
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