Vulnerability · Published Jul 16, 2025 · Assigned by CERT-In

CVE-2025-53754Hard-coded Credentials Vulnerability in Digisol DG-GR6821AC Router

Medium 5.1

In plain English

A medium-severity hard-coded credentials in XPON ONU Wi-Fi Router (DG-GR6821AC) from Digisol. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium

Exploit odds (30 days)0.2%top 89.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

This vulnerability exists in Digisol DG-GR6821AC Router due to hard-coded Root Access Credentials in system configuration of the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and analyzing the binary data to obtain the stored root access credentials. Successful exploitation of this vulnerability could allow the attacker to gain admin access to the targeted device.

Affected products (as reported)

Vendor	Product	Versions
Digisol	XPON ONU Wi-Fi Router (DG-GR6821AC)	V3.2.XX

Weakness: CWE-798 · Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2025-0147 third-party-advisory