CVE-2021-47854
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
DD-WRT version 45723 contains a buffer overflow vulnerability in the UPNP network discovery service that allows remote attackers to potentially execute arbitrary code. Attackers can send crafted M-SEARCH packets with oversized UUID payloads to trigger buffer overflow conditions on the target device.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| embeDD GmbH | DD-WRT | 45723 | affected |
Weaknesses
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: total
References
- https://www.exploit-db.com/exploits/49730
- https://dd-wrt.com/
- https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2021/
- https://ssd-disclosure.com/ssd-advisory-dd-wrt-upnp-buffer-overflow/
- https://www.vulncheck.com/advisories/dd-wrt-upnp-buffer-overflow
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