CVE-2021-25328
Skyworth Digital Technology RN510 V.3.1.0.4 RN510 V.3.1.0.4 contains a buffer overflow vulnerability in /cgi-bin/app-staticIP.asp.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Skyworth Digital Technology RN510 V.3.1.0.4 RN510 V.3.1.0.4 contains a buffer overflow vulnerability in /cgi-bin/app-staticIP.asp. An authenticated attacker can send a specially crafted request to endpoint which can lead to a denial of service (DoS) or possible code execution on the device.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.94% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- skyworthdigital/rn510 firmware
- Source
- cve@mitre.org
EPSS 3.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/162450/Shenzhen-Skyworth-RN510-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/May/5Exploit, Mailing List, Third Party Advisory
- https://s3curityb3ast.github.io/KSA-Dev-011.mdExploit, Third Party Advisory
- http://packetstormsecurity.com/files/162450/Shenzhen-Skyworth-RN510-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/May/5Exploit, Mailing List, Third Party Advisory
- https://s3curityb3ast.github.io/KSA-Dev-011.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.