CVE-2023-39780On ASUS RT-AX55 3.0.0.4.386.51598 devices, authenticated attackers can perform OS command injection via the /start_apply.htm qos_bw_rulelist parameter.
Updated under an hour ago ()
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It affects ASUS RT-AX55 and 2 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 2, 2025; federal agencies had to remediate by Jun 23, 2025. Treat that date as your deadline.
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On ASUS RT-AX55 3.0.0.4.386.51598 devices, authenticated attackers can perform OS command injection via the /start_apply.htm qos_bw_rulelist parameter. NOTE: for the similar "token-generated module" issue, see CVE-2023-41345; for the similar "token-refresh module" issue, see CVE-2023-41346; for the similar "check token module" issue, see CVE-2023-41347; and for the similar "code-authentication module" issue, see CVE-2023-41348.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Jun 2, 2025; federal remediation due Jun 23, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 39.51% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ASUS RT-AX55 asus:rt_ax55 (from the name) | 3.0.0.4.386.51598 | CNA record |
asus rt-ax55 asus:rt-ax55 | 3.0.0.4.386.51598 | CISA ADP |
asus rt-ax55_firmware asus:rt-ax55_firmware | 3.0.0.4.386.51598 | NVD |
References
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.mdexploit, third-party-advisory
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.mdexploit, third-party-advisory
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.mdexploit, third-party-advisory
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.mdexploit, third-party-advisory
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.mdexploit, third-party-advisory
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.mdexploit, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-39780us-government-resource
- https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routersexploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.