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Fencer Vulns
medium 6.5

CVE-2022-46140 json

Affected devices use a weak encryption scheme to encrypt the debug zip file.

published 2022-12-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48978

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

Affected devices use a weak encryption scheme to encrypt the debug zip file. This could allow an authenticated attacker to decrypt the contents of the file and retrieve debug information about the system.

Patch / fix

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU V7.2
  • Siemens RUGGEDCOM RM1224 LTE(4G) NAM V7.2
  • Siemens SCALANCE M804PB V7.2
  • Siemens SCALANCE M812-1 ADSL-Router V7.2
  • Siemens SCALANCE M816-1 ADSL-Router V7.2
  • Siemens SCALANCE M826-2 SHDSL-Router V7.2
  • Siemens SCALANCE M874-2 V7.2
  • Siemens SCALANCE M874-3 V7.2
  • Siemens SCALANCE M876-3 V7.2
  • Siemens SCALANCE M876-3 (ROK) V7.2
  • Siemens SCALANCE M876-4 V7.2
  • Siemens SCALANCE M876-4 (EU) V7.2
  • Siemens SCALANCE M876-4 (NAM) V7.2
  • Siemens SCALANCE MUM853-1 (EU) V7.2
  • Siemens SCALANCE MUM856-1 (EU) V7.2
  • Siemens SCALANCE MUM856-1 (RoW) V7.2
  • Siemens SCALANCE S615 EEC LAN-Router V7.2
  • Siemens SCALANCE S615 LAN-Router V7.2
  • Siemens SCALANCE SC622-2C V2.3
  • Siemens SCALANCE SC626-2C V2.3
  • Siemens SCALANCE SC632-2C V2.3
  • Siemens SCALANCE SC636-2C V2.3
  • Siemens SCALANCE SC642-2C V2.3
  • Siemens SCALANCE SC646-2C V2.3

Vendor advisories

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

cisa ICSA-22-349-04 updated cvss 6.5

Siemens SCALANCE Products

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) <V7.2 Siemens RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) <V7.2 Siemens SCALANCE M804PB (6GK5804-0AP00-2AA2) <V7.2 Siemens SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) <V7.2 Siemens SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) <V7.2 Siemens SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) <V7.2
    +14 more products
    Siemens SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) <V7.2 Siemens SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) <V7.2 Siemens SCALANCE M874-2 (6GK5874-2AA00-2AA2) <V7.2 Siemens SCALANCE M874-3 (6GK5874-3AA00-2AA2) <V7.2 Siemens SCALANCE M876-3 (6GK5876-3AA02-2BA2) <V7.2 Siemens SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) <V7.2 Siemens SCALANCE M876-4 (6GK5876-4AA10-2BA2) <V7.2 Siemens SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) <V7.2 Siemens SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) <V7.2 Siemens SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) <V7.2 Siemens SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) <V7.2 Siemens SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) <V7.2 Siemens SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) <V7.2 Siemens SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) <V7.2
    affected: fixed in V7.2 support.industry.siemens.com
  • Siemens SCALANCE SC622-2C (6GK5622-2GS00-2AC2) <V2.3 Siemens SCALANCE SC626-2C (6GK5626-2GS00-2AC2) <V2.3 Siemens SCALANCE SC632-2C (6GK5632-2GS00-2AC2) <V2.3 Siemens SCALANCE SC636-2C (6GK5636-2GS00-2AC2) <V2.3 Siemens SCALANCE SC642-2C (6GK5642-2GS00-2AC2) <V2.3 Siemens SCALANCE SC646-2C (6GK5646-2GS00-2AC2) <V2.3
    affected: fixed in V2.3 support.industry.siemens.com
  • Siemens SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AA0) Siemens SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AB0) Siemens SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AA0) Siemens SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AB0) Siemens SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AC0) Siemens SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AA0)
    +8 more products
    Siemens SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AA6) Siemens SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AB0) Siemens SCALANCE W734-1 RJ45 (USA) (6GK5734-1FX00-0AB6) Siemens SCALANCE W738-1 M12 (6GK5738-1GY00-0AA0) Siemens SCALANCE W738-1 M12 (6GK5738-1GY00-0AB0) Siemens SCALANCE W748-1 M12 (6GK5748-1GD00-0AA0) Siemens SCALANCE W748-1 M12 (6GK5748-1GD00-0AB0) Siemens SCALANCE W748-1 RJ45 (6GK5748-1FC00-0AA0)
    affected: no fix planned

147 more affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU
  • Siemens RUGGEDCOM RM1224 LTE(4G) NAM
  • Siemens SCALANCE M804PB
  • Siemens SCALANCE M812-1 ADSL-Router
  • Siemens SCALANCE M816-1 ADSL-Router
  • Siemens SCALANCE M826-2 SHDSL-Router
  • Siemens SCALANCE M874-2
  • Siemens SCALANCE M874-3
  • Siemens SCALANCE M876-3
  • Siemens SCALANCE M876-3 (ROK)
  • Siemens SCALANCE M876-4
  • Siemens SCALANCE M876-4 (EU)
  • Siemens SCALANCE M876-4 (NAM)
  • Siemens SCALANCE MUM853-1 (EU)
  • Siemens SCALANCE MUM856-1 (EU)
  • Siemens SCALANCE MUM856-1 (RoW)
  • Siemens SCALANCE S615 EEC LAN-Router
  • Siemens SCALANCE S615 LAN-Router
  • Siemens SCALANCE SC622-2C
  • Siemens SCALANCE SC626-2C
  • Siemens SCALANCE SC632-2C
  • Siemens SCALANCE SC636-2C
  • Siemens SCALANCE SC642-2C
  • Siemens SCALANCE SC646-2C
  • Siemens SCALANCE W1748-1 M12
  • Siemens SCALANCE W1788-1 M12
  • Siemens SCALANCE W1788-2 EEC M12
  • Siemens SCALANCE W1788-2 M12
  • Siemens SCALANCE W1788-2IA M12
  • Siemens SCALANCE W721-1 RJ45
  • Siemens SCALANCE W722-1 RJ45
  • Siemens SCALANCE W734-1 RJ45
  • Siemens SCALANCE W734-1 RJ45 (USA)
  • Siemens SCALANCE W738-1 M12
  • Siemens SCALANCE W748-1 M12
  • Siemens SCALANCE W748-1 RJ45
  • Siemens SCALANCE W761-1 RJ45
  • Siemens SCALANCE W774-1 M12 EEC
  • Siemens SCALANCE W774-1 RJ45
  • Siemens SCALANCE W774-1 RJ45 (USA)
  • Siemens SCALANCE W778-1 M12
  • Siemens SCALANCE W778-1 M12 EEC
  • Siemens SCALANCE W778-1 M12 EEC (USA)
  • Siemens SCALANCE W786-1 RJ45
  • Siemens SCALANCE W786-2 RJ45
  • Siemens SCALANCE W786-2 SFP
  • Siemens SCALANCE W786-2IA RJ45
  • Siemens SCALANCE W788-1 M12
  • Siemens SCALANCE W788-1 RJ45
  • Siemens SCALANCE W788-2 M12

Classification

Weakness
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

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.