CVE-2018-19524
A long password to the Web_passwd function allows remote attackers to cause a denial of service (segmentation fault) or achieve unauthenticated remote code execution because of control of registers S0 through S4 and T4 through T7.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 50.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered on Shenzhen Skyworth DT741 Converged Intelligent Terminal (G/EPON+IPTV) SDOTBGN1, DT721-cb SDOTBGN1, and DT741-cb SDOTBGN1 devices. A long password to the Web_passwd function allows remote attackers to cause a denial of service (segmentation fault) or achieve unauthenticated remote code execution because of control of registers S0 through S4 and T4 through T7.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 50.52% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 12 February 2019
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- skyworthdigital/dt740 firmware · skyworthdigital/dt721-cb firmware · skyworthdigital/dt741-cb firmware
- Source
- cve@mitre.org
EPSS moved from 37.1% on 21 September 2026 to 50.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/Feb/30Exploit, Mailing List, Third Party Advisory
- https://s3curityb3ast.github.io/KSA-Dev-001.md
- https://seclists.org/bugtraq/2019/Feb/21Exploit, Mailing List, Third Party Advisory
- https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html
- https://www.exploit-db.com/exploits/46358/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/Feb/30Exploit, Mailing List, Third Party Advisory
- https://s3curityb3ast.github.io/KSA-Dev-001.md
- https://seclists.org/bugtraq/2019/Feb/21Exploit, Mailing List, Third Party Advisory
- https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html
- https://www.exploit-db.com/exploits/46358/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.