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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Skyworth GPON HomeGateways and Optical Network Terminals - Stack Overflow EDB-46358 · dos · Feb 12, 2019
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20190210 KSA-DEV-001: CVE-2018-19524 : StackOverflow in Multiple Skyworth GPON HomeGateways and Optical Network terminals. mailing-list
- 46358 exploit
- https://s3curityb3ast.github.io/KSA-Dev-001.md
- http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html
- 20190212 KSA-DEV-001: CVE-2018-19524 : StackOverflow in Multiple Skyworth GPON HomeGateways and Optical Network terminals. mailing-list
- https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html