What’s Vulnerable › Vulnerabilities

CVE-2026-2876: Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-21 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

• Tenda A18: 15.13.07.13

References

• https://github.com/master-abc/cve/issues/38
• https://vuldb.com/?ctiid.347114
• https://vuldb.com/?id.347114
• https://vuldb.com/?submit.754675
• https://www.tenda.com.cn/

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