CVE-2024-33278
Published: 24 June 2024
Summary
CVE-2024-33278 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Asus (inferred from references). Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 10.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-33278 is a buffer overflow vulnerability affecting the ASUS RT-AX88U router on firmware version v3.0.0.4.388_24198. The flaw resides in the connection_state_machine component and stems from improper length validation of the cookie field, corresponding to CWE-120 and carrying a CVSS 3.1 score of 9.8.
A remote attacker can exploit the issue without authentication or user interaction to execute arbitrary code on the device by sending a crafted request that triggers the overflow.
ASUS has published a product security advisory that addresses the vulnerability, with details available on the vendor's official security page.
The associated EPSS score rose from a low baseline after the June 2024 disclosure to a peak of 0.0809 on 2025-12-11 before receding to the current value of 0.0436, indicating that exploitation interest emerged after public release.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-31023
Vulnerability details
Buffer Overflow vulnerability in ASUS router RT-AX88U with firmware versions v3.0.0.4.388_24198 allows a remote attacker to execute arbitrary code via the connection_state_machine due to improper length validation for the cookie field.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.