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Fencer Vulns
high 7.3

CVE-2024-11630 json

E-Lins H685/H685f/H700/H720/H750/H820/H820Q/H820Q0/H900 OEM Backend hard-coded credentials

published 2024-11-22 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-33921

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

A vulnerability has been found in E-Lins H685, H685f, H700, H720, H750, H820, H820Q, H820Q0 and H900 up to 3.2 and classified as critical. This vulnerability affects unknown code of the component OEM Backend. The manipulation leads to hard-coded credentials. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to change the configuration settings. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/I3eg1nner/iot-vuln/blob/main/E-lins/Hard-Coded%20Credential%20Vulnerability%20in%20E-Lins%20Routers.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 7.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • E-Lins H685
  • E-Lins H685f
  • E-Lins H700
  • E-Lins H720
  • E-Lins H750
  • E-Lins H820
  • E-Lins H820Q
  • E-Lins H820Q0
  • E-Lins H900

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials
  • CWE-259 Use of Hard-coded Password

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.