Tenda AC8 SetSysAutoRebbotCfg formSetRebootTimer stack-based overflow

published 2024-10-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-32923

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

A vulnerability classified as critical was found in Tenda AC8 16.03.34.06. This vulnerability affects the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg. The manipulation of the argument rebootTime leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-10-21)

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/JohenanLi/router_vuls/blob/main/ac8v4/FUN_004a8838.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Tenda AC8
tenda ac8_firmware

Classification

Weakness

CWE-121 Stack-based Buffer Overflow

References

github.com /JohenanLi/router_vuls/blob/main/ac8v4/FUN_004a8838.md
exploit, third-party-advisory
vuldb.com /?id.280918
vdb-entry, technical-description, permissions-required
vuldb.com /?ctiid.280918
signature, permissions-required
vuldb.com /?submit.422141
third-party-advisory
tenda.com.cn /
product

Sources

CVE List CVE-2024-10130
NVD CVE-2024-10130

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