What’s Vulnerable › Vulnerabilities

CVE-2026-7054: Tenda F456 httpd PPTPDClient fromPptpUserAdd buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-26 · updated 2026-10-26
• Weakness: CWE-119

Description

A weakness has been identified in Tenda F456 1.0.0.5. This vulnerability affects the function fromPptpUserAdd of the file /goform/PPTPDClient of the component httpd. Executing a manipulation of the argument opttype/usernamewith can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Tenda F456: 1.0.0.5

References

• https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_125/README.md
• https://vuldb.com/submit/798456
• https://vuldb.com/vuln/359627
• https://vuldb.com/vuln/359627/cti
• https://www.tenda.com.cn/

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