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CVE-2022-3703· NVD / CVE Program· CNA icscert

ETIC Telecom Remote Access Server Insufficient Verification of Data Authenticity

All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device.

CriticalCVSS 10.0 · v3.1—No exploit No fix recorded
Published
Nov 10, 2022
Updated
Jun 17, 2026
EPSS
0.3% · 21th percentile
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Action score

40

Plan

Add it to your regular patch cycle.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
10.0
CNA · icscert
7.6
2.4 point gap

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Affected systems

VendorProduct
etictelecomremote access server firmware
etictelecomras-c-100-lw
etictelecomras-e-100
etictelecomras-e-220
etictelecomras-e-400
etictelecomras-ec-220-lw
etictelecomras-ec-400-lw
etictelecomras-ec-480-lw
etictelecomras-ecw-220-lw
etictelecomras-ecw-400-lw
etictelecomras-ew-100
etictelecomras-ew-220

and 2 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • etictelecom remote access server firmwareup to 4.5.0 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.

  • ETIC Telecom Remote Access Server (RAS)

    • up to and including 4.5.0affected

Same product

etictelecom: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-40981ETIC Telecom Remote Access Server Unrestricted Upload of File with Dangerous Type
    40Plan
  • CVE-2023-3453ETIC Telecom Insecure Default Initialization of Resource
    32Monitor
  • CVE-2022-41607ETIC Telecom Remote Access Server Path Traversal
    30Monitor
  • CVE-2024-26153ETIC Telecom Remote Access Server (RAS) Cross-Site Request Forgery
    25Monitor
  • CVE-2024-26155ETIC Telecom Remote Access Server (RAS) Cleartext Transmission of Sensitive Information
    24Monitor
  • CVE-2024-26157ETIC Telecom Remote Access Server (RAS) Cross-site Scripting
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-345 · Insufficient Verification of Data Authenticity

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records