What’s Vulnerable › Vulnerabilities

CVE-2025-9828: Tenda CP6 uhttp sub_2B7D04 risky encryption

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-09-02 · updated 2026-09-30
• Weakness: CWE-310

Description

A vulnerability was determined in Tenda CP6 11.10.00.243. The affected element is the function sub_2B7D04 of the component uhttp. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized.

Affected products

• Tenda CP6: 11.10.00.243

References

• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Tenda/CP6.md
• https://vuldb.com/?ctiid.322175
• https://vuldb.com/?id.322175
• https://vuldb.com/?submit.641566
• https://www.tenda.com.cn/

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