ASUS Router - Improper Authentication

published 2024-06-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31686

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 43.5%; EPSS 43.5% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known, plus a Nuclei check

Certain ASUS router models have authentication bypass vulnerability, allowing unauthenticated remote attackers to log in the device.

Patch / fix

fixed in 7

asus rt-ax58u_firmware 3.0.0.4.388_24762
asus rt-ax88u_firmware 3.0.0.4.388_24209
asus rt-ax57_firmware 3.0.0.4.386_52294
asus rt-ac86u_firmware 3.0.0.4.386_51915
asus rt-ac68u_firmware 3.0.0.4.386_51668
asus zenwifi_xt8_firmware 3.0.0.4.388_24609
asus zenwifi_xt8_v2_firmware 3.0.0.4.388_24609

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-06-27)

Exploit prediction

43.46% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template ASUS DSL-AC88U - Authentication Bypass nuclei detection template

CVSS scores

assigned by	version	score	vector
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

ASUS ZenWiFi XT8
ASUS ZenWiFi XT8 V2
ASUS RT-AX88U
ASUS RT-AX58U
ASUS RT-AX57
ASUS RT-AC86U
ASUS RT-AC68U
asus rt-ax58u_firmware
asus rt-ax88u_firmware
asus rt-ax57_firmware
asus rt-ac86u_firmware
asus rt-ac68u_firmware
asus zenwifi_xt8_firmware
asus zenwifi_xt8_v2_firmware

Classification

Weakness

CWE-287 Improper Authentication

References

twcert.org.tw /tw/cp-132-7859-0e104-1.html
third-party-advisory
twcert.org.tw /en/cp-139-7860-760b1-2.html
third-party-advisory

Sources

CVE List CVE-2024-3080
NVD CVE-2024-3080

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