Vulnerability identifier: #VU329
Vulnerability risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
RomPager
Server applications /
Web servers
HG520c
Hardware solutions /
Routers for home users
HG530
Hardware solutions /
Routers for home users
Vendor:
Allegro Software
Huawei
Description
The vulnerabilities allow a remote attacker to execute arbitrary code on the target system.
The vulnerabilities exist due to a boundary error when handling user-supplied data. A remote attacker can send a specially crafted HTTP request to vulnerable web server, trigger buffer overflow and cause a denial of service condition or execute arbitrary code on the target system.
Successful exploitation of this vulnerability will result in compromise of the affected system.
Mitigation
This vulnerability is fixed in version 4.34.
Vulnerable software versions
RomPager: 4.01 - 4.33
HG520c: V100R001C10B025
HG530: V100R001C10B023
External links
https://www.allegrosoft.com/allegro-software-urges-manufacturers-to-maintain-firmware-for-highest-le...
https://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-407666.htm
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.