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Fencer Intel
critical 9.1

CVE-2018-17903 json

SAGA1-L8B with any firmware versions prior to A0.10 are vulnerable to a replay attack and command forgery.

published 8y ago modified 4mo ago also EUVD-2018-9644

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

SAGA1-L8B with any firmware versions prior to A0.10 are vulnerable to a replay attack and command forgery.

Patch / fix

  • sagaradio saga1-l8b_firmware a0.10

Is CVE-2018-17903 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-296-02 updated cvss 8.3

GAIN Electronic Co. Ltd SAGA1-L Series

  • GAIN Electronic Co. Ltd SAGA1-L8B < A0.10
    affected: mitigation “GAIN Electronic Co. Ltd has recommended that users update to firmware version A0.10. The new firmware can be obtained through a distributor.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

Affected products

  • GAIN Electronic Co. Ltd SAGA1-L8B

Classification

Weakness
  • CWE-294 Authentication Bypass by Capture-replay

References

Sources

Fencer Intel 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.