What’s Vulnerable › Vulnerabilities

CVE-2025-6887: Tenda AC5 SetSysTimeCfg stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-30 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda AC5: 15.03.06.47

References

• https://lavender-bicycle-a5a.notion.site/Tenda-AC5-fromSetSysTime_time-21d53a41781f8002bdb3fe8344d6fd8c?source=copy_link
• https://lavender-bicycle-a5a.notion.site/Tenda-AC5-fromSetSysTime_timeZone-21d53a41781f8021ae2fd2ac639f1b3f?source=copy_link
• https://vuldb.com/?ctiid.314366
• https://vuldb.com/?id.314366
• https://vuldb.com/?submit.603788
• https://vuldb.com/?submit.603789
• https://www.tenda.com.cn/

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