CVE-2018-5726: MASTER IPCAMERA01 3.3.4.2103 devices allow remote attackers to obtain sensitive information via a crafted HTTP request, as demonstrated by the username…

PriorityP266critical9.8CVSS 3.0

AVNACLPRNUINSUCHIHAH

EXPLOIT

EPSS

19.80%

97.1th percentile

MASTER IPCAMERA01 3.3.4.2103 devices allow remote attackers to obtain sensitive information via a crafted HTTP request, as demonstrated by the username, password, and configuration settings.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
barni	master_ip_camera01_firmware	—	—

Detection & IOCsextracted from sources · hover to see the quote

urlhttp://192.168.1.15/web/cgi-bin/hi3510/param.cgi?cmd=getuser↗

path/web/cgi-bin/hi3510/param.cgi?cmd=getuser↗

path/web/cgi-bin/hi3510/backup.cgi↗

path/web/cgi-bin/hi3510/param.cgi?cmd=sethttpport&-httport=8080↗

commandroot:cat1029↗

→Monitor HTTP GET requests to /web/cgi-bin/hi3510/param.cgi?cmd=getuser without any authentication headers — this endpoint discloses usernames, passwords, and configuration settings to unauthenticated remote attackers. ↗
→Alert on unauthenticated HTTP access to /web/cgi-bin/hi3510/backup.cgi, which allows configuration download/upload without credentials. ↗
→Detect telnet login attempts using the hardcoded credential root:cat1029 on MASTER IPCAMERA01 devices. ↗
→Flag HTTP requests to /web/cgi-bin/hi3510/param.cgi with cmd= parameters (e.g., sethttpport) from unauthenticated sources, indicating unauthenticated configuration change attempts. ↗

·The exploit uses a private/LAN IP (192.168.1.15) as the target example; in real deployments the device may be on any IP. Detection rules should focus on the URI path patterns rather than the IP address. ↗
·All vulnerable endpoints under /web/cgi-bin/hi3510/ require no authentication, meaning any HTTP request to these paths from an external or internal host is inherently suspicious on affected firmware version 3.3.4.2103. ↗

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

CVEs like this are exactly what “Exploited This Week” covers.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.