HOMEVULNERABILITIESCVE-2020-7805
CRITICAL

CVE-2020-7805

CWE-78Published: May 7, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered on KT Slim egg IML500 (R7283, R8112, R8424) and IML520 (R8112, R8368, R8411) wifi device. This issue is a command injection allowing attackers to execute arbitrary OS commands.

NVD Source

Technical Analysis

CVE-2020-7805 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

infomark4 product(s)
iml500 firmwareiml500iml520 firmwareiml520
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.infomark.co.kr/bbs/board.php?bo_table=download&wr_id=57&sfl=wr_subject&stx=520&sop=and
ADVISORYhttps://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35362
ADVISORYhttp://www.infomark.co.kr/bbs/board.php?bo_table=download&wr_id=57&sfl=wr_subject&stx=520&sop=and
ADVISORYhttps://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35362

All References (4)

→
http://www.infomark.co.kr/bbs/board.php?bo_table=download&wr_id=57&sfl=wr_subject&stx=520&sop=andVendor Advisory
→
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35362Third Party Advisory
→
http://www.infomark.co.kr/bbs/board.php?bo_table=download&wr_id=57&sfl=wr_subject&stx=520&sop=andVendor Advisory
→
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35362Third Party Advisory

Quick Facts

CVE IDCVE-2020-7805
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-78
CISA KEVNo
Affected1 vendor(s)
PublishedMay 7, 2020

Related CVEs (CWE-78)

CVE-2011-0271
10.0
CVE-2011-0372
10.0
CVE-2010-2445
10.0
CVE-2010-3754
10.0
CVE-2010-3757
10.0
CVE-2011-0381
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-7805 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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