CVE-2022-26390 [Medium] | Information Disclosure in Spectrum Wireless Battery…

The Baxter Spectrum Wireless Battery Module (WBM) stores network credentials and PHI (only applicable to Spectrum IQ pumps using auto programming) in unencrypted form. An attacker with physical access to a device that hasn't had all data and settings erased may be able to extract sensitive information.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.09%	0.42%	+0.33%
2	2025-03-30	0.15%	0.09%	-0.06%
3	2025-03-29	—	0.15%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.09%

0.42%

+0.33%

2025-03-30

0.15%

0.09%

-0.06%

2025-03-29

—

0.15%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
4.2	3.1	MEDIUM	`CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:P) Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	0.5	3.6	[email protected]
4.2	3.1	MEDIUM	`CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:P) Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	0.5	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

4.2

3.1

MEDIUM

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:P): Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

0.5

3.6

[email protected]

4.2

3.1

MEDIUM

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:P): Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

0.5

3.6

[email protected]

Affected software / configurations for CVE-2022-26390

Vendor	Product	Version	Raw CPE
baxter	spectrum_wireless_battery_module_firmware	>= 20d29, <= 20d32	cpe:2.3:o:baxter:spectrum_wireless_battery_module_firmware::::::::
baxter	spectrum_wireless_battery_module_firmware	>= 22d19, <= 22d28	cpe:2.3:o:baxter:spectrum_wireless_battery_module_firmware::::::::
baxter	spectrum_wireless_battery_module_firmware	16	cpe:2.3:o:baxter:spectrum_wireless_battery_module_firmware:16:::::::*
baxter	spectrum_wireless_battery_module_firmware	16d38	cpe:2.3:o:baxter:spectrum_wireless_battery_module_firmware:16d38:::::::*
baxter	spectrum_wireless_battery_module_firmware	17	cpe:2.3:o:baxter:spectrum_wireless_battery_module_firmware:17:::::::*
baxter	spectrum_wireless_battery_module_firmware	17d19	cpe:2.3:o:baxter:spectrum_wireless_battery_module_firmware:17d19:::::::*
baxter	sigma_spectrum_35700bax_firmware	—	cpe:2.3:o:baxter:sigma_spectrum_35700bax_firmware:-:::::::*
baxter	sigma_spectrum_35700bax2_firmware	—	cpe:2.3:o:baxter:sigma_spectrum_35700bax2_firmware:-:::::::*
baxter	baxter_spectrum_iq_35700bax3_firmware	—	cpe:2.3:o:baxter:baxter_spectrum_iq_35700bax3_firmware:-:::::::*

References for CVE-2022-26390

URL	Tags
https://www.us-cert.gov/ics/advisories/icsma-22-xxx-xx	Third Party Advisory US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsma-22-251-01	Third Party Advisory US Government Resource

URL

CVE-2022-26390 | Unencrypted internal storage of security credentials

Exploit prediction scoring system (EPSS) score for CVE-2022-26390

Common vulnerability scoring system (CVSS) metrics for CVE-2022-26390

Weakness enumeration for CVE-2022-26390

Affected software / configurations for CVE-2022-26390

References for CVE-2022-26390