Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability in the fromAdvSetMacMtuWan function.

published 2024-09-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-41929

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-09-23)

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/zp9080/Tenda/blob/main/Tenda-AC8v4%20V16.03.34.06-fromAdvSetMacMtuWan/overview.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

tenda ac8v4_firmware

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-787 Out-of-bounds Write

References

github.com /zp9080/Tenda/blob/main/Tenda-AC8v4%20V16.03.34.06-fromAdvSetMacMtuWan/overview.md
exploit, third-party-advisory

Sources

CVE List CVE-2024-46652
NVD CVE-2024-46652

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary