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Report · Reddit CybersecurityAbout CVE-2026-17583Published

CVE-2026-17583: Researchers altered a forensic DNA evidence file in 45 minutes and the analysis software raised no warning

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Authoritative record:CVE-2026-17583· High 8.4

Not known to be exploited · CVSS 8.4 High · end of life, no fix coming : replace or isolate Applied Biosystems 3500/3500xL Series Data Collection Software; no fix will be released.

Data as of 5 Nov 2026, 00:01 UTC

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
None coming – the product is end of life
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

No fix will be released: Applied Biosystems 3500/3500xL Series Data Collection Software is end of life. Replace it, or isolate it from untrusted networks until you can.

Affected software

ProductAffectedFixed in
Thermo FisherApplied Biosystems 3500/3500xL Series Data Collection SoftwareAffected
  • <=4.0.2
Fixed in–
Thermo FisherApplied Biosystems 3730/3730xL Series Data Collection SoftwareAffected
  • <=5.0.2
Fixed in–
Thermo FisherApplied Biosystems SeqStudio Genetic Analyzer Data Collection SoftwareAffected
  • <=1.2.5
Fixed in–
Thermo FisherApplied Biosystems SeqStudio Flex Series Instrument SoftwareAffected
  • <=1.2.0
Fixed in–
Thermo FisherApplied Biosystems GeneMapper ID-X SoftwareAffected
  • <=1.7.3
Fixed in–
Thermo FisherApplied Biosystems 3130 Series Data Collection SoftwareAffected
  • <=4.1
Fixed in–

AI-suggested

Thermo Fisher has issued a bulletin implementing digital signatures on forensic DNA evidence files created after the update, which protects new files from tampering. However, no retroactive validation exists for files created prior to the update, and some end-of-life products will not receive patches. Users should apply the update to supported products to ensure new files are protected. For older files, no technical mitigation is currently available; organizations should consider additional procedural controls such as maintaining strict write-access logs and chain-of-custody documentation to detect potential tampering retrospectively.

Discussion

CVE-2026-17583 is a vulnerability in Thermo Fisher's Applied Biosystems human identification instruments where forensic DNA evidence files (.fsa and .hid) can be altered between creation and analysis without detection. Researchers demonstrated that these files could be modified in about 45 minutes to merge DNA profiles into a single file that appears unaltered since 2015. Thermo Fisher issued an update adding digital signatures to files created after the patch, but no retroactive validation exists for older files, and some end-of-life products do not receive updates. This leaves historical forensic DNA evidence files vulnerable to undetectable tampering.

r/cybersecurity (opens in a new tab)u/godShadyy0 points0 comments

Disclosure: I write a daily security newsletter, this was today's issue. The

substance is below, link at the end.

Thermo Fisher's July 31 bulletin covers CVE-2026-17583 (CVSS v4.0 8.2). The

.fsa and .hid files from Applied Biosystems human identification instruments can

be modified between the instrument writing them and the analysis software

loading them, and the change is nearly undetectable. Nothing in the file let the

software confirm the bytes were the ones the instrument wrote. Nathan Adams of

Forensic Bioinformatics told the WSJ his first successful modification took

about 45 minutes, merging scans from two DNA profiles into one file that

presented as untouched since 2015.

The updates add digital signatures, which only protects files written after the

upgrade. The bulletin does not address retroactive validation, the researchers

found no way to detect prior tampering, and these file types have been produced

since 1995. Three end-of-life product lines get no update at all.

Full writeup with the affected versions and remediation order:

https://www.linkedin.com/pulse/researchers-altered-dna-evidence-file-45-minutes-tymoteusz-netter-bxhhf/

Bulletin:

https://documents.thermofisher.com/TFS-Assets/CORP/Product-Guides/fsa_hid_bulletin.pdf

Most of us have outputs a downstream process treats as authoritative without

checking provenance. For files predating any signing mechanism, write-access

logs on the landing directory are the only retrospective evidence I can build.

What are you using?

References

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